jam
- n.果酱;堵塞;卡住(因而发生故障);拥挤
- v.（发射无线电波）干扰;(使)卡住，不能动弹，不能运转;挤满;塞进;即兴演奏;挤进;塞入;使劲(往某处)挤(或压、塞)
复数： jams 过去式： jammed 现在分词： jamming 过去分词： jammed 第三人称单数： jams
jamnoun
甜食 sweet food
果酱
a thick sweet substance made by boiling fruit with sugar, often sold in jars and spread on bread
strawberry jam
草莓酱
recipes for jams and preserves
果酱和蜜饯的制作方法
a jam doughnut
果酱炸面圈
许多人 / 车辆 many people/vehicles
拥挤；堵塞
a situation in which it is difficult or impossible to move because there are so many people or vehicles in one particular place
The bus was delayed in a five-mile jam.
公共汽车因长达五英里的交通堵塞而延误。
As fans rushed to leave, jams formed at all the exits.
因球迷都急于离开，所有出口都给阻塞了。
机器 machine
卡住（因而发生故障）
a situation in which a machine does not work because sth is stuck in one position
There's a paper jam in the photocopier.
复印机卡纸了。
to be in a difficult situation
good things that are promised for the future but never happen
他们并不满足于那些美好未来的空话。
They refused to settle for a promise of jam tomorrow.
money that is earned very easily, for sth that needs little effort
verb
用力推 push with force
使劲（往某处）挤（或压、塞）
to push sth somewhere with a lot of force
He jammed his fingers in his ears.
他用手指使劲堵住耳朵。
A stool had been jammed against the door.
门被一个凳子顶住了。
停止移动 / 运转 stop moving/working
（使）卡住，不能动弹，不能运转
to become unable to move or work; to make sth do this
The photocopier keeps jamming up.
这复印机总是卡纸。
There's a loose part that keeps jamming the mechanism.
有个零件松了经常卡住机器。
The valve has jammed shut.
阀门给卡住了打不开。
He jammed the door open with a piece of wood.
他用一块木头卡住门让它开着。
塞进 put into small space
塞入；塞进；挤进
to put sb/sth into a small space where there is very little room to move
Six of us were jammed into one small car.
我们六个人被塞进一辆小汽车里。
We were jammed together like sardines in a can.
我们像罐头里的沙丁鱼一般紧紧挤在一起。
The cupboards were jammed full of old newspapers.
橱柜里塞满了旧报纸。
Nearly 1 000 students jammed into the hall.
近1 000名学生挤到礼堂里。
挤满人 / 物 fill with people/things
挤满；塞紧
to fill sth with a large number of people or things so that it is unable to function as it should
Viewers jammed the switchboard with complaints.
打电话投诉的观众使总机应接不暇。
无线电广播 radio broadcast
（发射无线电波）干扰
to send out radio signals to prevent another radio broadcast from being heard
演奏音乐 play music
即兴演奏
to play music with other musicians in an informal way without preparing or practising first
to operate the brakes on a vehicle suddenly and with force
他紧急刹车，汽车向侧边打滑。
The car skidded as he jammed on the brakes.
jam
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1
N-MASS 果酱
Jam is a thick sweet food that is made by cooking fruit with a large amount of sugar, and that is usually spread on bread....home-made jam.
自制果酱
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3
VERB 硬推；硬塞；使劲放
If you jam something somewhere, you push or put it there roughly.He picked his cap up off the ground and jammed it on his head...
他从地上捡起帽子，猛地扣到头上。
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4
V-ERG （机器）卡住；使卡住；（使）不能运转
If something such as a part of a machine jams, or if something jams it, the part becomes fixed in position and is unable to move freely or work properly.The second time he fired his gun jammed...
他开第二枪时枪卡壳了。
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5
VERB （车辆）堵住，堵塞（道路）
If vehicles jam a road, there are so many of them that they cannot move.Hundreds of departing motorists jammed the roads.
数百名打算驾车离开的司机堵住了道路。
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Trucks sat in a jam for ten hours waiting to cross the bridge.
等待过桥的卡车堵了10个小时。
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Nearby roads and the dirt track to the beach were jammed with cars.
附近通往海滩的公路和土路全都堵满了汽车。
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8
VERB （人）塞进，挤进
If a lot of people jam a place, or jam into a place, they are pressed tightly together so that they can hardly move.Hundreds of people jammed the boardwalk to watch...
数百人挤在木板人行道上观看。
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The stadium was jammed and they had to turn away hundreds of disappointed fans.
体育场里观众爆满，他们不得不将几百名失望的球迷拒之门外。
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10
VERB 干扰（无线电或电子信号）
To jam a radio or electronic signal means to interfere with it and prevent it from being received or heard clearly.They will try to jam the transmissions electronically.
他们会试图用电子信号对发射进行干扰。
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The plane is used for electronic jamming and radar detection.
这架飞机用于进行电子干扰和雷达探测。
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12
VERB 使（电话总机）应接不暇；使（电话线）过于繁忙
If callers are jamming telephone lines, there are so many callers that the people answering the telephones find it difficult to deal with them all.Hundreds of callers jammed the BBC switchboard for more than an hour...
在一个多小时内，成百上千的来电使得英国广播公司的总机应接不暇。
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13
N-SING 陷入困境
If someone is in a jam, they are in a very difficult situation.They were in a real jam, Bob thought glumly.
他们确实遇上麻烦了，鲍勃闷闷不乐地想。
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14
VERB （爵士乐手或摇滚乐手）即兴演奏
When jazz or rock musicians are jamming, they are informally playing music that has not been written down or planned in advance.He was jamming with his saxophone.
他在即兴吹奏萨克斯管。
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...a free-form jazz jam.
随性的爵士乐即兴演出
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16
See also:traffic jam
noun
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1
- deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
- Synonym: jamming electronic jamming
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2
- preserve of crushed fruit
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3
- a dense crowd of people
- Synonym: crush press
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4
- informal terms for a difficult situation
- he got into a terrible fix
- he made a muddle of his marriage
- Synonym: fix hole mess muddle pickle kettle of fish
verb
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1
- interfere with or prevent the reception of signals
- Jam the Voice of America
- block the signals emitted by this station
- Synonym: block
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2
- block passage through
- obstruct the path
- Synonym: obstruct obturate impede occlude block close up
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3
- crush or bruise
- jam a toe
- Synonym: crush
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4
- crowd or pack to capacity
- the theater was jampacked
- Synonym: jampack ram chock up cram wad
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5
- get stuck and immobilized
- the mechanism jammed
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6
- push down forcibly
- The driver jammed the brake pedal to the floor
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7
- press tightly together or cram
- The crowd packed the auditorium
- Synonym: throng mob pack pile
数据来源：WordNet
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The fruit can be made into jam .
这种水果可以制成果酱。
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Skim the scum off the jam and let it cool .
撇去果酱上的浮沫，让它冷却。
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There 's a loose part that keeps jamming the mechanism .
有个零件松了经常卡住机器。
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People are fed up with all these traffic jams .
人们厌烦这么多的交通堵塞。
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The company 's lines have been jammed all day with people making complaints .
公司的电话整天都因人们打投诉电话而占线。
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I got stuck in the mother of all traffic jams .
我被困在最严重的一次大塞车之中。
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I can 't get the door open ─ it 's completely jammed .
我打不开门——卡死了。
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Cut the cake in half horizontally and spread jam on one half .
把蛋糕横切成两半，把果酱涂在半面上。
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Eat some proper food , not just toast and jam !
吃点正常的食物，别净吃烤面包加果酱！
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Hundreds more people were waiting outside the jammed stadium .
还有数百人在拥挤不堪的体育场外等候。
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The traffic jam was caused by a lorry shedding its load .
交通堵塞是因为一辆卡车掉下了货物。
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Nearly 1 000 students jammed into the hall .
近1000名学生挤到礼堂里。
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They refused to settle for a promise of jam tomorrow .
他们并不满足于那些美好未来的空话。
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There is a new device for cars that warns drivers of traffic jams ahead .
有一种新的汽车装置可提醒司机前面有交通堵塞。
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The traffic jam soon cleared once the offending vehicle had been removed .
肇事车辆一经移走，交通拥堵现象很快就消除了。
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We were jammed together like sardines in a can .
我们像罐头里的沙丁鱼一般紧紧挤在一起。
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We were stuck in a traffic jam .
我们遇上了交通阻塞。
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There 's a paper jam in the photocopier .
复印机卡纸了。
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She sat in the car , silently fuming at the traffic jam .
她坐在汽车里，心中对交通堵塞感到十分恼火。
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As fans rushed to leave , jams formed at all the exits .
因球迷都急于离开，所有出口都给阻塞了。
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The cupboards were jammed full of old newspapers .
橱柜里塞满了旧报纸。
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Hundreds of fans jammed the switchboard for over an hour .
在一个多小时里，好几百个崇拜者打去电话，交换台应接不暇。
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Skim the jam and let it cool .
撇去果酱上的浮沫，让它冷却。
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Have some of my plum jam ─ but mind out for the stones .
尝尝我的李子酱——但得当心有核儿。
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A stool had been jammed against the door .
门被一个凳子顶住了。
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The valve has jammed shut .
阀门给卡住了打不开。
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The car skidded as he jammed on the brakes .
他紧急刹车，汽车向侧边打滑。
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He jammed his fingers in his ears .
他用手指使劲堵住耳朵。
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The photocopier keeps jamming up .
这复印机总是卡纸。
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Viewers jammed the switchboard with complaints .
打电话投诉的观众使总机应接不暇。
指堵住通道，使人或物无法通过，语气较强。
A big stone is blocking the road.
一块大石头挡在路上。
Something blocked the flow of water through the pipe.
有什么东西堵塞了管道里的水流。
指将某处塞满东西造成堵塞；也可以指使人呼吸困难。
A pile of garbage choked the pipe.
一大坨垃圾堵塞了管道。
The gutter was choked with debris.
排水道被垃圾堵住了。
That pungent perfume almost choked me.
那刺鼻的香味差点儿让我喘不过气来。
They choked on the smoke from the chimney.
他们被烟囱冒出的烟呛得透不过气来。
指堵塞道路、孔洞等。
Every summer, there are cars clogging the road to the beautiful beach.
每年夏天都会有汽车把那条通往迷人海滩的道路堵得水泄不通。
The water pipe was clogged with debris.
水管子被废弃物堵了。
主要指阻挡住涌流物，如河水、眼泪等，常与副词 up，back 连用。
dam (up) the river
在河上建坝
It is ridiculous for him to try to dam the flow of history.
他试图阻挡历史进程的做法是荒谬的。
That poor girl dammed back her tears.
那个可怜的女孩强忍住眼泪。
指因人、车辆等过多而使某处无法通行。
The strikers jammed the streets so no car could move.
罢工者把街道堵死了，没有汽车可以通行。
Children jammed the entrance to the fair.
孩子们把游乐场的入口处挤得水泄不通。
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