1. 天幕,背景幕：back-wall photovoltaic cell 後膜光生伏打电池 | backcloth 天幕,背景幕 | backening 延迟,滞後

2. backcloth的意思

2. 背景幕：backchat 回嘴 | backcloth 背景幕 | backcourt 距门最远处

3. 背景幕天幕：backclearance 背隙 | backcloth 背景幕天幕 | backcloth 背景幕

4. 背景幕, 背景：backchat || 回嘴, 顶嘴, 机智诙谐的交谈, 反诘 | backcloth || 背景幕, 背景 | backcountry district || 边远地区

1. （挂在舞台后部的）彩画幕布，背景幕布
    A backcloth is a large piece of cloth, often with scenery or buildings painted on it, that is hung at the back of a stage while a play is being performed.

backcloth什么意思

2. （事件的）背景
    The backcloth to an event is the general situation in which it happens.

    e.g. I''m not impressed by the promise of tax cuts against the backcloth of a public-spending deficit.
           在公共开支出现赤字的情况下承诺减税让我不以为然。

1. scenery hung at back of stage

    Synonym: backdropbackground