r. out of view of the public; behind the scenes
r. in or to a backstage area of a theater
adv. 在后台, 向后台
1. The actors waited backstage before the show started.
演员们在演出开始前在后台等候。
2. She loves to see what happens backstage during a concert.
她喜欢看看音乐会期间后台发生的事情。
3. Backstage, the crew was busy preparing for the performance.
在后台，工作人员忙着为演出做准备。