A second implicit purpose for the youngster-aged group is a baby-sitting purpose.

对青少年群体来说,第二个深层目标,充当临时保姆。

麻省理工公开课 - 媒体、教育、市场课程节选

They would say, "We hired a stooge to act in the following role in the experiment."

他们会说，我们请了一个助手在试验中充当实验中一个角色“

耶鲁公开课 - 心理学导论课程节选

But this provides a kind of introduction, as it were, to the Republic.

但它确实充当了，《理想国》的最佳引言。

耶鲁公开课 - 政治哲学导论课程节选

They're playing a chordal accompaniment against it.

钢琴演奏的和弦充当伴奏 与小提琴呼应

耶鲁公开课 - 聆听音乐课程节选