detect
- vt.发现;查明;侦察出
派生词： detectable adj. 过去式： detected 现在分词： detecting 过去分词： detected 第三人称单数： detects
de- 完全,加强 + tect 藏,覆盖
detectThese words all mean to see sth, especially when you pay careful attention to it.以上各词均含看到、注意到之义。
to see, hear or become aware of sb/sth; to pay attention to sb/sth 指看（或听）到、注意到、意识到、注意、留意：
The first thing I noticed about the room was the smell.
我首先注意到的是这屋子里的气味。
( rather formal ) to notice or pay careful attention to sth 指注意、留意：
Please note (that) the office will be closed on Monday.
请注意办事处星期一将关闭。
to discover or notice sth, especially sth that is not easy to see, hear, etc. 指发现、查明、侦察出：
The tests are designed to detect the disease early.
这些检查旨在早期查出疾病。
( formal ) to see or notice sb/sth 指看到、注意到、观察到：
Have you observed any changes lately?
最近你注意到什么变化没有？
The police observed a man enter the bank.
警察注意到一个男人走进了银行。
( rather formal ) to see sth happen 指当场看到、目击：
Police have appealed for anyone who witnessed the incident to contact them.
警方呼吁目击这一事件的人与他们联系。
( formal ) to notice or become aware of sth, especially sth that is not obvious 指注意到、意识到、察觉到：
I perceived a change in his behaviour over those months.
我注意到他的举止在那几个月里有些改变。
detect
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1
VERB 发现;查出;测出
To detect something means to find it or discover that it is present somewhere by using equipment or making an investigation....a sensitive piece of equipment used to detect radiation...
一件用于探测辐射的灵敏设备
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2
VERB 觉察;发觉
If you detect something, you notice it or sense it, even though it is not very obvious.Arnold could detect a certain sadness in the old man's face.
阿诺德能觉察到老人脸上的一丝悲伤。
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They will detect us the same way you did .
现在看来他们会像你们一样发现我们的。
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X - ray was the main method to detect the disease .
X线是发现本病的主要手段，病理是确诊的主要依据。
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The tests are designed to detect the disease early .
这些检查旨在早期查出疾病。
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These data show that most cancers are detected as a result of clinical follow-up .
这些数据表明多数癌症是由临床随访查出的。
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I detect an undercurrent of resentment towards the new proposals .
我察觉到对新提案有一股潜在的不满情绪。
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Do I detect a note of criticism ?
这好像带有批评的口吻吧？
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He detected the fallacy of her argument .
他发觉她论据中的推理谬误。
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The new test should enable doctors to detect the disease early .
新的检测手段应该能够使医生们尽早查出这种疾病。
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We are trying to detect and understand how the climates change
我们正努力探寻并理解气候是如何变化的。
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Arnold could detect a certain sadness in the old man 's face .
阿诺德能觉察到老人脸上的一丝悲伤。
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Any escape , once it 's detected , sets off the alarm
一旦发现有泄漏，警报就会响起来。
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He conjectured that some individuals may be able to detect major calamities
他猜测说有些人也许能够察觉重大灾难。
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Most skin cancers are completely curable if detected in the early stages .
如果及早发现，大多数皮肤癌都是完全可以治愈的。
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The disease was detected during a routine check-up .
这个病是在做常规体检时查出来的。
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He detected a ship moving down the starboard side of the submarine .
他发现有一艘船正在潜艇的右侧航行。
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An observant doctor can often detect depression from expression , posture , and movement .
善于观察的医生常常能从人的表情、姿势以及动作诊察出抑郁症。
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Although the fluid presents no symptoms to the patient , its presence can be detected by a test .
虽然这种液体不会使患者出现任何症状，但是它可以通过测试检测出来。
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The latest Japanese vacuum cleaners contain sensors that detect the amount of dust and type of floor .
日本的最新真空吸尘器配有可探测灰尘多少和地板类型的传感器。
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A build-up of strain on a section of the San Andreas Fault has been detected .
已经勘测到圣安德烈亚斯断层的其中一处所承受的拉力在增强。
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They were detected at depths of more than a kilometre in the sea .
它们是在海面下超过一公里深的地方被检测出来的。
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To explain this , they hypothesise that galaxies must contain a great deal of missing matter which cannot be detected
为了解释这一点，他们假定各星系一定包含了大量无法探测到的不明物质。
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Their instruments detected very faint radiowaves at a frequency of 3 kilohertz .
他们的仪器检测到一个3千赫的微弱无线电波。
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An infra-red eye is said to detect the movement of any animal within an angle of 110 degrees at up to 10 metres .
据说红外眼能够探测到110度角范围内远至10米的任何动物的活动。
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It is difficult to detect the cause of his death .
很难找出他的死因。
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He detected a note of excitement in her voice .
他听出她的话语中带着兴奋。
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I detected a note of pity in her voice .
我觉察到她的话音里带着同情。
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The policemen trained their dogs to detect drugs .
警察训练警犬探查毒品。
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Mistakes should be corrected as soon as detected .
错误一经发现，就应立即纠正。
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I can detect signs of improvement in your thinking .
我可以察觉出你思考问题方面的进步。
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She has detected the secret .
她发现了那个秘密。
指发觉不易察觉到的事物。
It is difficult to detect the cause of his death.
很难找出他的死因。
He detected a note of excitement in her voice.
他听出她的话语中带着兴奋。
强调通过仔细思考而察觉某事。
She soon discerned that her husband was lying.
她很快就觉察出丈夫在撒谎。
It is easy to discern a certain coldness in her welcome.
很容易觉察出她的迎接有点冷淡。