If a movie scene is dangerous, stunt people usually fill in for the stars.

如果一个电影场景很危险，替身演员通常会代替明星上场。

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Vice-presidents' wives would fill in for first ladies.

副总统们的妻子会临时顶替第一夫人们。

《柯林斯英汉双解大词典》

what three quantum numbers tell us, versus what the fourth quantum number can fill in for us in terms of information.

三个量子数和,四个量子数告诉我们的信息。

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But sometimes the restorers have to use silicone to fill in for the real thing.

VOA: standard.2009.12.08

what three quantum numbers tell us, versus what the fourth quantum number can fill in for us in terms of information.

三个量子数和,四个量子数告诉我们的信息。

麻省理工公开课 - 化学原理课程节选

Remember, all you have to do is fill in the one or two-letter abbreviation for the chemical symbol.

记住，你们只要,用一两个字母的缩写,来代表化学元素就可以了。

麻省理工公开课 - 固态化学导论课程节选

They turned down the opportunity to fill in for the boss on a critical client presentation.

FORBES: How To Develop An Audience-Focused Perspective -Presentation Training

The acting labor secretary, Cynthia Metzler, will fill in for Herman until then.

CNN: Clinton Commission To Craft Health 'Bill Of Rights'

Ousmane Ndoye will almost certainly fill in for the suspended Khalilou Fadiga on the left side of the Lions' midfield.

BBC: Senegal hit by injury