| 单词 | nitrous oxide |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔gas〕A gaseous anesthetic, such as nitrous oxide.气体麻醉剂：一种气态的麻醉剂，如二氧化氮美国传统〔know〕Nitrous oxide is commonly known as laughing gas.一氧化二氮通常被称作笑气。朗文当代〔laughing gas〕Nitrous oxide, especially as used as an anesthetic.笑气：一氧化二氮，尤其用于麻醉药物中美国传统 |
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