一开始，他模仿了刚孵出的乌鸦的叫声。

First he imitated the voices of newly hatched crows.

youdao

刚孵出的小海龟太小了，即使有保温和逆流交换系统，也无法保持体温。

Hatchlings are simply too small to conserve body heat, even with insulation and countercurrent exchange systems.

youdao

现在地板上有几只刚孵出的小鸡。

And now there are chicks here on the floor.

youdao