蚕茧

pod

1. 孩子们撕开蚕茧看看里面有没有蛹。
   The children tore the cocoon open to see if there was a pupa.
2. 蚕茧是由昆虫制造的一种由丝组成的外包层。
   A cocoon is a kind of silk covering made by an insect.

茧的英语翻译：