五行之说是我国古代的基础理论之一，对我国文字及文字学曾产生深刻的影响。

The theory of Wuxing, one of the basic theories in ancient China, had great effect on Chinese Characters and the science of Chinese characters.

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大多数翻页人是学钢琴的学生或有前途的音乐会钢琴家，尽管拉斯波波娃女士也曾请她的丈夫在舞台上帮助过她。

Most page turners are piano students or up-and-coming concert pianists, although Ms. Raspopova has once asked her husband to help her out on stage.

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唔，我知道其中一个原因… 我的一位大学教授曾让我们发誓说我们读过了补充阅读里的“每个单词”。

Well, I know one reason… I had a college professor who made us swear wehad “Read every single word” of our collateral reading.

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Think about the writers you've studied from the eighteenth century.

想想你曾学过的18世纪的作家。

耶鲁公开课 - 文学理论导论课程节选

I used to study martial arts when I was a kid.

当我还是个孩子的时候，我曾学过武术。

I used to实战 - SpeakingMax英语口语达人