back·drop/`bækˏdrɑp; ˈbækdrɒp/ n [C] 1 the conditions or situation in which something happens, which help to explain it 〔事件的〕背景: The Spanish Civil War was the backdrop for Orwell's novel. 奥威尔的小说是以西班牙内战为背景的。 2 also 又作 backcloth the painted cloth behind a stage 〔舞台后部的〕背景幕布