But in order to become truly terrestrial, tetrapods had to be able to keep their embryos wet on dry land.
但为了成为真正的陆生动物,四足动物必须能够让它们的胚胎在干燥的土地上保持湿润。
单词 | wet on dry |
释义 |
wet on dry
原声例句
PBS地球-动物趣闻 But in order to become truly terrestrial, tetrapods had to be able to keep their embryos wet on dry land. 但为了成为真正的陆生动物,四足动物必须能够让它们的胚胎在干燥的土地上保持湿润。 |
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