smokescreen

['sməukskri:n]

n.烟幕

例句与用法：

The export business is just a smokescreen for his activity as a spy.

他做出口生意只是为他的间谍活动打掩护。

详细释义：

n.

1. (用以掩盖真相的)烟幕

2. (用以隐蔽自身的)烟幕