Dimethylphenanthrene
[医] 二甲菲
🗣️ 情景例句
How much are the dues?
会费多少？
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
Excuse me! Is this your bike?
打扰一下。这是你的自行车吗？