Nitrogen monoxide
[化] 一氧化二氮; 笑气
🧩 词语组成解析
monoxide
[mə'nɔksaid]
n. 一氧化物;
🗣️ 情景例句
Is it finished yet?
行了吗？
These clothes are very beautiful, but are too expensive.
这些衣服很漂亮，但是太贵了。
John asked Grace to marry him，
约翰向格雷斯求婚。