A real fish can swim up to ten body lengths a second. The robot version clocks just one body length a second.
一条真鱼可以一秒钟游过十个身长的距离，而这种机器人还只能一秒钟游过一个身长。
When fish swim, they leave little swirling vortices in their wake. By swimming together in a school, they can transfer energy to one another through these vortices.
当鱼儿游动时，鱼尾会留下一个个小漩涡，当它们成群游动时，它们可以通过这些漩涡转换能量。
Then, with indescribable terror, he recognizes the fact that he is caught in a quicksand, and that he has beneath him that frightful medium in which neither man can walk nor fish can swim.
于是他变得无可名状地惊恐起来，意识到他已被围困在流沙之中，在他下面是人不能走、鱼不能游的恐怖地带。
Yet many fish can still swim even if most of the tail fin is a bitten or cut off.
然而，许多鱼类仍然可以游泳，即使大部分的尾鳍是一个咬伤或切断。
我爸爸游得和鱼一样快。
"Dad replied," just down the earthworms have a kind of smell, fish smelled the odor will know that there are food, can swim by... "just when it comes to this, there is a fish bait."
爸爸回答道：“刚放下去的蚯蚓有一种气味，鱼闻到了这种气味就知道这边有食物，就会游过来……”刚说到这，就有一条鱼上钩了。
I can be like a fish, and swim in the ocean.
我能成为一条鱼儿，在大海遨游。
In summer, the weather is very hot, I can with my friends swim in the river, catch the fish and row a boat.
夏天里，天气很热，我可以和我的朋友一起在河里游泳、抓鱼和划船。
他能像鱼一样的游泳。
Since then, I hope that I can swim in the ocean of creativity. And to be a designer make me a fish back to water.
从此，我希望自己可以畅游在创意的海洋中，而成为一名设计师让我仿佛鱼儿回到了水中。
It can swim, but it is not a fish.
它会游泳，但它不是鱼。鱼产卵。
我跳起来像一条小鱼。
我跳起来像一条小鱼。
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