1、Indeed, the flying squirrel had learned five skills, but when put to use, they were useless.
是啊，鼯鼠是學了五種本領，但是用起來，卻一種也不中用。

2、Flying squirrel Flying squirrels include 43 different species.
飛鼠(即鼯鼠)包括43個不同品種。

3、I see a flying squirrel gliding by me.
我看到一只鼯鼠滑翔而過。