When Typhoon Ketsana hit Manila this year, the crowded city's planners were stunned at the amount of rain that poured down in a short time.

VOA: standard.2009.12.21

You wait a short amount of time, it goes to a new location, What can that be?

过了一小会儿,它到了一个新的位置,它等于什么呢

耶鲁公开课 - 基础物理课程节选

You know, and within a very short amount of time be able to do a lot of things that that person may never be able to do.

在短时间内,可以做很多,那些只有丰富经验的人做不到的事。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选