Dinitrofluorobenzene
[免疫]二硝基氟苯
🗣️ 情景例句
In fact, I love what I do ...
事实上 我热爱我的工作……
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
Thank you very much.
非常感谢。