If anyone comes in before I get back, ask them to wait.

如果在我回来之前有人来，就请他等一等。

《牛津词典》

Some animals collect food before winter comes.

有些动物在冬天来临前收集食物。

youdao

Autumn comes before winter.

秋天在冬天之前。

youdao

But most food comes from imports. Before the earthquake, the Haitian government and private groups were working to improve agriculture.

VOA: special.2010.04.13

Milton wants to write an epic that in some ways comes before, or prevents, the great epics of Homer and Virgil.

弥尔顿想写一首在某种程度上先于，荷马和维吉尔伟大史诗的史诗。

耶鲁公开课 - 弥尔顿课程节选

I don't expect you'll all immediately grab it, but you will need to understand it before the quiz comes along.

我不期望你们马上就能掌握，但是你们需要在,考试前弄懂它。

麻省理工公开课 - 计算机科学及编程导论课程节选

Right before comes a more typical Oberst opus, "Danny Callahan, " a reflection on love and solitude that ends with the death of a child.

NPR: Conor Oberst: When Love Turns Sour

Legal sources said it may be a year before Mr Montgomery's case comes before the court.

BBC: Legal move over plastic bullets

He has promised a decision this month before Congress comes back from its recess.

CNN: John King: Bush vacation agenda