Nitro derivatives
[机] 硝基衍生物
🧩 词语组成解析
n. 硝基
派生物
🗣️ 情景例句
How true!
千真万确。
It seems as if it's going to rain.
看起来天好像要下雨。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。