My biology teacher, Mr. White, came to the classroom five minutes before the class began.

我的生物老师怀特先生在上课前五分钟来到了教室。

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With the right amount of sleep you should wake up fresh and alert five minutes before the alarm rings.

有了适量的睡眠，你就应该在闹钟响前的五分钟精神抖擞地醒来。

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You need to be on-site five minutes before.

你需要提前五分钟到达面试地。

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And I felt envy toward him and five minutes later, I experienced this most intense love toward him-- the emotion that I haven't felt before.

我嫉妒他，然后五分钟后，我对他产生最强烈的爱意-,一种我从没感受过的情绪。

哈佛公开课 - 幸福课课程节选

So how many before five minutes ago had heard the name Goudsmit?

有多少人在五分钟之前听说过Goudsmit？

麻省理工公开课 - 化学原理课程节选

Five minutes before half time, Hearts extended their lead and again Valois was instrumental.

BBC: De Vries downs Hibs

Five minutes before the interval, Roberto Ayala inadvertently deflected Daniel Alves' cross into his own net.

BBC: Brazil victorious in Copa America

And Inverness were rewarded for their endeavour with a well-worked goal five minutes before the break.

BBC: Inverness CT 2-1 St Mirren