这些老鼠也会花更少的时间和其它老鼠呆在一起。它们更喜欢封闭的空间，当科学家来捉它们的时候，也会很明显的身体发抖战栗。

The mice also spent less time with other animals, preferred closed spaces and trembled noticeably when handled by the scientists.

youdao

这些老鼠也会花更少的时间和其它老鼠呆在一起。它们更喜欢封闭的空间，当科学家来捉它们的时候，也会很明显的身体发抖战栗。

The mice also spent less time with other animals, preferred closed spaces and trembled noticeably when handled by the scientists.

youdao