backcloth
US /ˈbæk.klɔθ/
UK /ˈbæk.klɔθ/

1.
2.
背景, 大环境
the background to an event or situation
:
•
The economic crisis formed the backcloth to the political unrest.
经济危机构成了政治动荡的背景。
•
Against a backcloth of ancient ruins, the modern city thrived.
在古老废墟的背景下,这座现代化城市蓬勃发展。