Dinitrofluorobene
二硝基氟苯
🗣️ 情景例句
Six table lamps. Three end tables. One piano.
六个灯。三张茶几。一 钢琴。
Look for a needle in a bundle (or bottle) of hay.
海底捞月。
The noble stared at the blank sheet of paper for a few seconds.
贵族盯着纸看了几秒钟，