单词 | nitrous |
释义 | nitrous /'naitras; 'naitras/ adj of, like, nitre, 硝石的; 似阶石的。 ~ oxide, gas (NQ) (also called laughing-gas) sometimes used by dental surgeons to make a person unconscious while having a tooth or teeth pulled out. 氧化亚氮(亦称笑气,分子式为 N20, 牙医拔样时作麻醉剂用)。 |
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