Nitro derivatives
[机] 硝基衍生物
🧩 词语组成解析
n. 硝基
派生物
🗣️ 情景例句
You look much younger than ... years old.
你看起来比……年轻多啦。
I used to have dinner at 7:30 and go to bed early.
我过去常在7:30吃晚饭并且早睡觉。
What about a quarter past two?
2：15怎样！