backcloth [ˈbækklɔ:θ]

例句:

• John Steinbeck used the dust and the pitiless skies as the backcloth to his novel.
  约翰·斯坦贝克把尘土和烈日炙烤的天空用作小说的背景。
  
• 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。
  
• A river, for a Restoration poet, would be primarily...a backcloth for pastoral.
  来自fig.