名词
中文翻译：后台
同义词：
['backroom', 'backstage']
例句：
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1. Theperformers were seen leaving the back stagebefore the show began.
演出开始前，演员们被看到离开了后台。
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2. She wasso nervous that she couldn't evenremember her lines from the back stage.
她非常紧张，以至于连台词都记不清了。
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3. The director had a close lookat the actors' back stages to assesstheir performance.
导演仔细观察了演员们的后台，以评估他们的表演。