Backcloth
n. 背景
✅ 同义词
📖 牛津释义
backcloth
n (Brit) printed cloth hung at the back of a stage in a theatre, as part of the scenery 背景幕布.
🗣️ 情景例句
Don't let me interrupt you.
别让我打搅你们。
Do you have any tickets available for that date?
你们有那天的票吗？
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；