understudy
... principal 主要演员 understudy 替角 patron/sponsor 赞助者 ...
substitute
...台湾土狗 Formosan mountain dog, a breed native to Taiwan 替角 understudy (substitute actor); substitute; sb ready to substitute at any time for principal player 挖角 ; to poach (talent, personnel from comp...
understudies
... understudied = 当替角了 understudies = 替角 understudy = 替角 ...