"The numbers of children vaccinated today are at an all time high.

VOA: standard.2009.12.28

OK, good. This might be our all-time high, 89% got this right. This is great.

好的，很好这可能是我们上课以来正确率最高的一次，89%，的同学都做对了，这太棒了。

麻省理工公开课 - 化学原理课程节选

Taq stands for thermos aquaticus, it's a marine micro-organism that lives near these hydrothermal events in the bottom of the sea and they live under very high temperatures and pressures all the time.

aq是"水生栖热菌"的简称,那是一种生活在靠近深海热液活动区的,海底微生物,它们长期生活在高温高压的环境中

耶鲁公开课 - 生物医学工程探索课程节选

Last week, we told you that the number of foreign students in the United States had reached an all-time high.

VOA: special.2009.12.03

"The number of young adults that have finished high school is also now at a record all-time high.

VOA: special.2009.11.19

College enrollment has reached an all-time high in the United States.

VOA: special.2009.11.19

That means they're college eligible. So part of the reason college enrollments are at an all-time high is because the pool of youth that's eligible to go to college is also at an all-time high."

VOA: special.2009.11.19