smokescreen
/ˈsmoʊkˌskɹin/ 名词 C2中文： 烟幕、烟气幕、掩饰物、幌子
- Smoke used as a disguise, mask or cover, as of troops in battle.
- Anything used metaphorically to conceal or distract. · All that talk is just a smokescreen to disguise the fact that he has nothing to say.
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