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- He has a strong political background. 他有强大的政治背景。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- He has a working-class background. 他是工人阶级出身。
- Get the fall in the background, will you? 把瀑布拍进背景中去好吗？
- A background accompaniment, as for a performer. 伴奏为一个演奏者配音伴奏
- She came from a privileged background. 她出身於特权阶层。
- He came from an impoverished background. 他出身贫寒。
- This book gives the background of the Civil War. 这本书叙述了南北战争的背景。
- Other motives may have lurked in the background. 这后面可能隐藏着其它动机。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- Her own particular chip on the shoulder was her poor background. 她感到怨恨的特有原因是她的背景不好。
- background contamination 背景污染
- He stayed in the background to escape from the public attention. 他呆在幕后为了避开公众的注意。
- Contamination can't be ruled out entirely. 污染是不能完全清除的。
- The brass surface must be free of contamination. 黄铜表面必须未经沾污。
- Such contamination has been extensively studied. 人们对这种污染进行了大量研究。
- high background contamination 高本底污染
- Moral contamination or corruption. 腐蚀精神上被腐化或堕落
- She has a lot of power, but like to remain in the background. 她的权力很大，但是喜欢隐身幕后。
- The contamination should be removed. 应该清除掉污染。
