stand-in汉语翻译：
n. 替身演员, 替身, 有利地位英语解释：
名词 stand-in:
someone who takes the place of another (as when things get dangerous or difficult)同义词：substitute, relief, reliever, backup, backup man, fill-in
动词 stand-in:be a substitute同义词：substitute, sub, stand in, fill in
