| 釋義 |
nitrous /'naitras; 'naitras/ adj of, like, nitre, 硝石的; 似階石的。 ~ 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. 氧化亞氮(亦稱笑氣，分子式為 N20, 牙醫(yī)拔樣時作麻醉劑用)。 |