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词汇 nitrous oxide
类别 英译汉、英汉双解翻译词典
释义
nitrous oxide
noun [ U ] chemistry specialized uk/ˌnaɪ.trəs ˈɒk.saɪd/ us/ˌnaɪ.trəs ˈɑːk.saɪd/ (informal laughing gas)
一氧化二氮;笑气(一种带甜味的气体,有轻微的麻醉作用,常用于牙科止疼)
a type of gas with a sweet smell that is used as a weak anaesthetic (= substance that stops pain), especially by dentists
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