第一个in which的 which是指代type吧 后面的which是指代water对么The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth,temperature,and the salt content of the water in which the oyster lives.

问题描述:

第一个in which的 which是指代type吧 后面的which是指代water对么
The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth,temperature,and the salt content of the water in which the oyster lives.