The dispute over slavery had prevented Congress from acting earlier.

VOA: special.2009.03.12

Were you thinking about working in the field of voice acting from the start?

从一开始，你就是想做配音工作吗？

想成为配音演员 - SpeakingMax英语口语达人

On this guy, I have 10 from the left 10 acting this way, 4 acting that way.

对这个物体,受到一个 10 牛的从左向右的力,10牛的力朝这边,4牛的力朝那边

耶鲁公开课 - 基础物理课程节选

This acting style is quite different from play-acting today.

VOA: special.2010.01.06

Then we may, from this equation, say a certain force is acting in a given situation by multiplying the m times the a.

然后根据这个方程,我们就能说,得到给定条件下的作用力,它等于 m 和 a 的乘积

耶鲁公开课 - 基础物理课程节选

One is the Speaker of Parliament and Acting President Bronislaw Komorowski, from the governing center-right Civic Platform party.

VOA: standard.2010.07.03

Mutallab,an engineering student who studied in Britain, told investigators he was acting on instructions from al-Qaida and got the explosive materials in Yemen.

VOA: standard.2009.12.26

The United States must lead the way. But our best chance to solve these unprecedented problems comes from acting in concert with other nations,".

VOA: standard.2009.04.11