No student is to leave the room.

学生一律不许离开这房间。

《牛津词典》

They won't let him leave the country.

他们不许他离开这个国家。

《牛津词典》

He asked permission to leave the room.

他请求离开房间的许可。

《柯林斯英汉双解大词典》

Masses of these monocytes leave the spleen in the event of an injury like a heart attack, wound,or infection.

VOA: special.2009.08.25

If you just have the first half, That that development is accomplished when Richard decides to leave the South.

如果你只看书的前面，你可能认为但理查，下定决心离开南方时,故事就此完结了。

耶鲁公开课 - 1945年后的美国小说课程节选

so you can either leave or you can leave the dog here. You give it up. You surrender the dog."

所以你可以离开，也可以把狗留下。你只是把狗放弃了。”

与流浪狗的相遇 - SpeakingMax英语口语达人

But where does that leave the children, or the husband she has nothing but complaints about.

FORBES: Readers Say

Fathi Bahavi(ph) has two sons in college, one of whom wants to leave the country.

NPR: Iran Facing Dangerous Brain Drain

The key to cover-ups is to leave the evidence alone, make the story do the work.

NPR: Excerpt: 'Bangkok Tattoo'