back.drop

backdrop的音标和读音：
DJ音标发音： [ˈbækˌdrɔp]
KK音标发音： [ˈbækˌdrɑp]

backdrop的词性：
n.（名词）

1. A painted curtain hung at the back of a stage set.Also called backcloth
背景幕：挂在舞台后部的彩色幕布也作 backcloth

2. The setting, as of a historical event; the background.
背景：背景，如历史事件的背景；背景情况