- Some weigh nearly two hundred tons
有的重达200吨 - twice the size of the largest dinosaur.
体积是最大的恐龙的2倍 - Despite their great size, we still have little idea of where they travel in the vast oceans
撇开体积不论, 我们仍然不知道它在这广袤的海洋中去哪里旅行 - and none at all of where they go to breed.
也不知道它们去哪里繁殖 - The largest animal on Earth feeds almost exclusively
这地球上最大的动物只有一种主食 - on one of the smallest krill, shrimp-like crustaceans.
一种非常小的甲壳类动物-磷虾 - They take many tons of water into their ballooning throats in a single gulp and sieve out what it contains.
它们一口可吃进几吨的海水 然后再过滤出想要的东西
and none at all of where they go to breed. 也不知道它们去哪里繁殖
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