understudying

v.

练习做临时演员( understudy的现在分词 )；

1. The understudy was substituted when the leading actor fell ill.
   主角演员患病，由替角代替演出。

1. When the star became sick,his understudy stepped into his part.
   当这位电影明星生病时，由他的候补演员担任他的角色。
2. She got the part and I was her understudy.
   她得到了这个角色，我只能作为替补的临时演员。

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