Definition: If an animal lays eggs, it produces them out of its body. Level: B2
母鸡定期产卵。
Hens ___lay ___eggs regularly.
它们唯一能做的就是产卵。
The only thing they can do is to ___lay ___eggs.
许多爬行动物在陆地上产卵。
Many reptiles ___lay ___eggs on land.
