催泪瓦斯

• tear gas
• lacrimator
• lachrymator
• mace

例句

1. 致残剂一种可使人暂时致残的装置或物质，如平定暴乱时所用的催泪瓦斯
   A device or substance, such as tear gas, used to incapacitate individuals temporarily, as in riot control.