understudy

漢語翻譯

n. 預備演員, 替角
vt. 通過觀察掌握某工作, 通過實習掌握某工作
vt.vi. 練習當替角

詞型變化：

名詞複數:understudies 動詞過去式:understudied 過去分詞:understudied 現在分詞:understudying 第三人稱單數:understudies 

英文解釋：

名詞 understudy:

1. an actor able to replace a regular performer when required
   同義詞：standby

動詞 understudy:

1. be an understudy or alternate for a role
   同義詞：alternate

例句：

1. The leading man got laryngitis but his understudy stepped into the breach and gave an excellent performance.
   演主角的男演員得了喉炎，不過他的替角代替了他，而且表演得極為出色。
2. An understudy who filled in at the last minute.
   在最後一分鐘才臨時替補的演員
3. The understudy was substituted when the leading actor fell ill.
   主角演員患病，由替角代替演出。