Nitrous oxide
其它 Other[化] 一氧化二氮; 笑气\\n[医] 一氧化氮, 笑气
📖 牛津释义
nitrous oxide
(also laughing-gas), gas sometimes used as an anaesthetic, esp by dentists 氧化亚氮, 笑气（有时用作麻醉剂, 尤用於牙科）.
🧩 词语组成解析
nitrous
['naitrəs]
adj. 氮的，含氮的，硝石的;
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
My friend's a chain smoker.
我的朋友烟瘾很重。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
First turn the gas off and cover the pan.
首先，把煤气关上，盖上油锅。