She is light of foot.

她脚步轻快。

youdao

Halflings also tend to be light of foot, and can move quietly when necessary.

半身人倾向于光着脚，但在必要的时候他们能跑的很快。

youdao

Light travels basically a foot in a nanosecond. Simple rule of thumb.

光行进的速度是每纳秒一英尺，很简单的经验法则了。

youdao

A gig is 10 to the 9, so it does two operations in the length of time it takes light to get from one foot off the table down to the table. That's amazing.

因此光行进一英尺的,时间内电脑可以,进行两次基本运算,这太神奇了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Light travels basically a foot in a nanosecond. Simple rule of thumb.

光行进的速度是每纳秒一英尺,很简单的经验法则了。

麻省理工公开课 - 计算机科学及编程导论课程节选

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All of that information helps shed some light on who will foot the bill.

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