take over a class for an absent teacher
a supply teacher
代课教师
她生病时我为她代课。
I took her classes for her while she was sick.
《牛津词典》
对一些人来说,他是梦寐以求的代课老师。
For some, he is the substitute teacher of their dreams.
youdao
在一些国家即使你没有高学历,也可以成为代课老师。
In some states you can even become a substitute teacher even if you only have a limited amount of credits.
I believe that we still have on,for Friday, Stephen Schwarzman.
下周五将由史蒂芬·施瓦茨曼代课
耶鲁公开课 - 金融市场课程节选
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