By dropping out after studying for a period of time, the two students have wasted educational resources, which could have been provided for others.

两名学生学习一段时间后辍学，他们浪费了本可以提供给其他人的教育资源。

youdao

After training for a period of time, the researchers tested the bees.

经过一段时间的训练后，研究人员对这些蜜蜂进行了测试。

youdao

In such a life history strategy, the organism suspends any growth, reproduction, or other activities for a period of time so that they may occur at a later, more hospitable time.

在这样的生命史策略中，有机体暂停任何生长、繁殖或其他活动一段时间，以便它们可能在更晚、更适宜生存的时间发生。

youdao

Others who want to graduate in three years must pay for the same education as four-year students, but in a shorter period of time.

VOA: special.2009.07.23

It began to infiltrate other disciplines and was in general a high-spirited horse for that certain period of time.

它逐渐渗入到其它学科,总之是那个时代的一匹黑马。

耶鲁公开课 - 文学理论导论课程节选

Clearly, important information is to be conveyed to students from people who settle in the fields for a long period of time.

显然，对某个领域,进行长时间研究的学者,会将重要的信息,传达给学生。

麻省理工公开课 - 媒体、教育、市场课程节选

"We had a new threat, and we are going to, for a period of time, tilt back to a more conservative approach, " the official said.

CNN: U.S. lowers threshold for inclusion on no-fly lists

Is there room for a middle ground whereby, for example, the tax cuts on the wealthy could be extended for a period of time, and then allowed to expire?

WHITEHOUSE: President Obama News Conference

The experience may, however, create a vulnerability for a period of time, perhaps months or up to a year or so.

CNN: STORY HIGHLIGHTS