| 单词 | laughing gas |
| 释义 | laughing gas WordReference English-Chinese Dictionary © 2019:主要翻译英语中文laughing gas nnoun: Refers to person, place, thing, quality, etc. (nitrous oxide)笑气 xiào qì 一氧化氮 yì yǎng huà dàn Dentists frequently use "laughing gas" to calm patients prior to treat |
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