只有付出这样高的代价，才能保证晚会演出时动作灵活、跳跃自如。

The agility and bounds of the evening were insured only a price like this.

youdao

一条狭窄的小路穿过这道篱笆墙，林中空地有一座小山丘，她年轻时动作敏捷地爬上爬下。

A narrow path crossed through this hedge, and at the opening was a little hill that she ascended and descended as nimbly as a young woman.

youdao

为了达到有效拉伸肌肉的目的，练习时动作不要过猛，感到有轻微的拉胀感即可——决不可有疼痛的感觉发生。

To stretch your muscles effectively, you should move gently into the stretch until you feel a slight pulling - but never pain.

youdao

Poetry, in Frost, is action, not a matter, as Wordsworth would say, of emotion recollected in tranquility.

就像华兹华斯说的诗歌对于弗罗斯特是动作不是事情，不是冷静时收集的情绪。

耶鲁公开课 - 现代诗歌课程节选

I bring a million preconceptions to bear on what I take to be a simple act of looking.

在我做看这个简单的动作时,我已经有了百万个先入之见。

耶鲁公开课 - 文学理论导论课程节选

Now, what happens during an action potential is that that membrane potential changes very rapidly and it changes from being negative to being more positive.

在动作电位产生时,膜电位迅速改变,从较负的电位向更正的电位改变

耶鲁公开课 - 生物医学工程探索课程节选