laughing gas
柯林斯词典
1. N-UNCOUNT Laughing gas is a type of anaesthetic gas which sometimes has the effect of making people laugh uncontrollably. (用作麻醉剂的)笑气
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laughing gas
剑桥词典
- nitrous oxide : a type of gas that is used as an anaesthetic (= a substance that stops pain )
笑氣，一氧化二氮（一种用作麻醉剂的气体） 返回 laughing gas