understudy
v. 充当（某角色的）候补演员
n. 候补演员
名词复数：understudies 过去式：understudied 过去分词：understudied 现在分词：understudying 第三人称单数：understudies
近义词：lieutenant，standby，substitute，cover，stand-in，replacement，double，deputy，alternate，
英英释义
Noun
- an actor able to replace a regular performer when required
Verb
- be an understudy or alternate for a role
例句
用作动词(v.)
- The understudy was substituted when the leading actor fell ill.主角演员患病，由替角代替演出。
用作名词(n.)
- 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。
- 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。