| 单词 | nitrous oxide |
| 释义 | nitrous oxide UK [ˌnaɪ.trəs'ɒk.saɪd] US [-'ɑ:k-] noun uncountable specialized ■a type of gas with a sweet smell which is used as a weak anaesthetic (= substance which stops pain) , especially by dentists; 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，常用于牙科止痛） |
| 随便看 |
101BT英语在线翻译词典收录了36528条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。