backcloth的复数形式怎么拼写

n.（尤指戏剧中用的）背景幕布...

backcloth的音标：backcloth的英式发音音标为：['bækklɒθ]backcloth的美式发音音标为：['bækklɔθ]...

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。...