Sea horses are fish, but their heads look like horses.

海马是鱼，但是它们的头看起来像马。

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Passing through waters, around rocks and waterfalls, the fish finally reach their original streams or lakes.

鱼儿穿过水域，绕过岩石和瀑布，最终到达它们原来的小溪或湖泊。

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Months or years later, the young fish start their trip to the ocean.

数月或数年后，幼鱼开始了它们的海洋之旅。

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And before they arrive, they will have to send information on their activities and the fish they are carrying.

VOA: special.2009.12.08

And if the other countries aren't going to cut down on their fishing, then you want to catch the fish now, because there aren't going to be any there tomorrow.

如果其他国家不打算减少捕捞量,那么你现在就想先把鱼都捞起来,因为没准明天就会无鱼可捞了

耶鲁公开课 - 博弈论课程节选

So, when the value of the average valence electron energy lies between 11 eV and 13 eV, we have these elements that are neither fish nor fowl, and you'll see in a little bit their unique electrical properties.

所以，当平均价电子能,在11eV到13eV之间时，这些元素介于金属和非金属之间，你们将进一步,看到它们独特的电性质。

麻省理工公开课 - 固态化学导论课程节选

Scientists drained some fish of their sperm or eggs, which were later fertilized to create hatchlings to reintroduce or support the fish in other parts of their ancient range in the Great Lakes, Hudson Bay and Mississippi basins.

WSJ: Standing Guard for the Sturgeon

Most of the stories you hear about wild fish involve their disappearance, usually because of over-fishing.

NPR: Down Deep, An Unexpected Fish Boom

Mr. CARPENTER: They're very ugly when they've got your fish in their mouth.

NPR: Large Sea Lion Population Threatens Fishing