Doan
abbr. N, N-diocthlaniline N,N-二辛基苯胺（科技符号）
🗣️ 情景例句
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，检查完毕。希望您在中国过得愉快。
If he doesn't, will you wash the dishes.
如果他不，你会洗碟子吗？
This one?
是这本吗？