Fish, however, are not warm blooded, and are usually too small to support substantial fat layers, so they have found a different way round the problem.

然而鱼类并非恒温物种，并且身形太小无法保持大量的脂肪层，因而它们另辟蹊径解决了这个问题。

youdao

Sara： A fish？ Doesn't 6）count， cold-blooded.

萨拉：一条鱼？ 不算，冷血动物。

youdao

While it is true that cold-blooded fish do slow down during the winter, and they eat far less, they still do eat.

虽然冷水鱼在冬天反映比较迟钝，吃的很少，有些缺钙，但是他们仍然得吃喝拉撒睡啊。

youdao