Nitro-compound
[化] 硝基化合物
🧩 词语组成解析
n. 硝基
🗣️ 情景例句
the minute he comes home.
他一回来。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
Who's he?
他是谁？