For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.

VOA: special.2010.07.21

If I test right up until the last thing I say, I don't think that gives you enough dwell time.

如果我正好测试我刚刚讲过的东西，我并不认为我会给你们足够的思考时间。

麻省理工公开课 - 固态化学导论课程节选

If you don't make it to class, contact your TA, your recitation instructor, and you can take a makeup within a week of the time of original test.

如果你不能来上课，联系你们的助教，背诵课的老师，你可以在测试后那个礼拜内,找时间补回来。

麻省理工公开课 - 固态化学导论课程节选

This was the time for the crew to test all the spacecraft systems.

VOA: special.2009.07.15

So tens or hundreds of millions of dollars would go into a study like this by the time it was completed, money that could have been used for other things, to test whether eating a low fat diet would reduce risk for breast cancer.

数以百万计的美元,投入到这样的研究,当研究结束时,本可以用来做其他事情的钱,被用来检测是否低脂膳食,可降低患乳腺癌风险

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"They are around and they stand the test of time because they can still raise questions about what we are going through today."

VOA: standard.2010.04.08

The test is Wednesday the 29th, and it will be written during the normal class time.

测试是在周三29号，并且在正常上课时间进行。

麻省理工公开课 - 固态化学导论课程节选

And testers threw large, inflatable dolls - representing children - in front of the cars at random mements to test the driver's reaction time.

VOA: standard.2010.06.24

"But I hope people will equally understand that it will be better to get the decision right rather than rushing into something that will not stand the test of time."

VOA: standard.2010.05.10

On the other side of town, scientists are working on a genetic test they hope will cut the time it takes to diagnose MDR-TB from 70 days to two days.

VOA: standard.2010.07.12

And I think that will stand the test of time." State Department officials traveling with Secretary Clinton say she also discussed the Group of Eight leading industrialized nation's That money is in addition to emergency humanitarian programs, and is meant to fight hunger by enabling small farmers to produce more of their own food by improving productivity.

VOA: standard.2009.08.16