The current chair of the Senate Judiciary panel - Democrat Patrick Leahy - says he will do all he can to make sure a new justice is confirmed by the time the Supreme Court reconvenes on October 5.

VOA: standard.2009.05.03

It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.

它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。

麻省理工公开课 - 化学原理课程节选

Make sure you get to the airport on time.

一定要准时到机场啊！

Make sure 课堂 - SpeakingMax英语口语达人