Not until about ten million years later did species of whales develop specialized kidneys enabling them to drink salt water.
直到大约1000万年后,鲸类才进化出专门的肾脏,使它们能够饮用盐水。
盐水是不能喝的。
Whales cannot drink salt water and their only source of fresh water is the fish or squid they eat.
鲸不喝海水的哟…牠只能从食物中获取水份, 所以牠若搁浅没进食。
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