Dinitrobenzaldehyde
[化] 二硝基苯甲醛
🗣️ 情景例句
How did you get to know her?
你是怎么认识她的？
I woke up early and got up at 6 o'clock.
我早醒来并且在6点钟起床了。
Why did you stay at home?
为什么呆在家里？