单词 | 一氧化二氮 |
例句 | DEFINITIVE EXAMPLES 权威例句〔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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