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.