教室中央有一個人正在睡覺。

　　In the middle of the classroom is sleeping a student.

　　鯨魚這時(shí)正在睡覺，它的嘴巴張得開開的。

　　The whale was sleeping, and its mouth was open.

　　我正在睡覺，有人串門來了。

　　When I was sleeping, someone dropped in on me.

　　那個小袋鼠多么可愛啊。它正在睡覺。

　　That baby kangaroo is so cute. It's sleeping.

　　它看到兔子正在睡覺但它并沒有停止爬行。

　　It sees the rabbit is sleeping and doesn't stop.