回游

科学家研究过鱼类远距离回游的现象。

Scientists have studied the migration of fish over long distances .

在鱼蟹回游通道筑坝，要建造相应的过鱼设施。

Dams to be built across fish and crab migration routes shall be provided with appropriate fish passage facilities .

比方说，游泳池顶上有led大屏幕，在泳池里来回游时，维多利亚湾的海滩与夜空在屏幕边来回忽闪。

There is the pool , for instance , which features an LED screen on its ceiling and at one end of it that flashes scenes of the beach and the sky while you do your laps .

我静静地等着，它们总是不停地来回游着。

But I waited quietly , and they always came back .

一些鱼类回游到此水段来繁殖后代。

Some fish migrate to this section of water to breed .

浪漫主义之鱼回游在收向手中的网底；

Romantic fish swam in nets coming to the hand ;

鲑鱼奋力回游到河里产卵。

The salmon fight their way back up the river to spawn .

经由苏伊士运河回游到地中海了。

Migrated to the Mediterranean Sea via the Suez Canal ( Ref.5385 ) .

她在游泳池能来回游一趟。

She can swim two lengths of the pool .

狡猾的海狮不断吞吃回游的三文鱼，让鱼类生物学家十分困惑。

Crafty sea lion befuddles fish biologists by continuing to munch on migrating salmon .

处于候鸟回游路线的国家必须警惕野鸟和家禽患病的迹象。

Countries located along migratory routes need to be vigilant for signs of disease in wild and domestic birds .

10月份回游至湾外水域的对虾有向东、东北或东南回游的现象。

In October the tagged prawns in the water area outside the Bay migrated towards east , northeast or southeast .

豚鱼的回游、鹤的迁徒、月相的周期变化、公鸡的报晓，其季节或时间都是十分准确的，具有守信的特征。

The season or time is unchangeable on the migration of globefish and crane and cyclical movement of moon and crow of rooster .

湄公河委员会的一项研究结果显示，沙耶武里水坝会影响鱼类回游，甚至导致湄公河大鲶鱼等濒危物种绝迹。

One commission study concluded the dam would affect fish migration and could drive endangered species , like the Mekong giant catfish , to extinction .

格棱兰的未来已经提前到来，这里的渔夫们高兴地看到鳕鱼的回游，农民们喜获丰收。

The future may have arrived already in icy Greenland , where fishermen are thrilled by the return of cod and farmers are reporting higher yields .

山区河流的生态修复，湿地生态工程，人工产卵场、栖息地和回游通道工程，人工增殖和生物放流工程等河流生态修复技术。

Ecological recovery technologies includes ecosystem recovery of mountainous rivers , wetland ecosystem recovery , artificial spawning , habitat and migration passways , artificial reproduction and biological fish pouring etc.

“渔业水域”是指鱼虾类的产卵场、索饵场、越冬场、回游通道和鱼虾贝藻类的养殖场。

" Fishing areas " means spawning grounds , feeding grounds , wintering grounds and migration channels of fish and shrimp as well as aquacultural grounds of fish , shrimp , shellfish and aquatic plants .

那个海湾非常宽阔，我也没想要游太远，所以游了一会儿以后我就开始往回游，这样回到岸边就比较容易。

The bay was pretty wide , and I wasn 't looking forward to swimming all that distance . So , I turned a little toward the shore after a while . Then it was easy to get back .