Dinitrofluorobene
二硝基氟苯
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
Industry is fortune's right hand, and frugality her left.
勤勉是幸运的右手，节约是幸运的左手。
Mum! I feel a little better now.
妈妈！我现在感觉好一点了。