Diphenylethlene
二苯基乙烯
🗣️ 情景例句
Hello, Mr. Maxwell.
哈喽， Maxwell先生。
Could you give me some comments?
你有什么感想吗？
For a whole week I did not smoke at all and during this time, my wife suffered terribly.
整整一个星期我根本没有吸烟。在此期间，我妻子吃尽了苦头。