tear-gas

柯林斯词典

tear gas /tɪə/

• 1. N-UNCOUNT Tear gas is a gas that causes your eyes to sting and fill with tears so that you cannot see. It is sometimes used by the police or army to control crowds. 催淚瓦斯

  Police used tear gas to disperse the demonstrators. 警察動用了催淚瓦斯來敺散示威人群。

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