pupa

n. 蛹

The children tore the cocoon open to see if there was a pupa.

孩子们撕开蚕茧看看里面有没有蛹。

Enclosed in an oval, horny case. Used of an insect pupa.

壳内的封闭在椭圆形角质壳内的。用于一虫蛹