Davidigenin
二羟苯基羟基丙酮
🗣️ 情景例句
Thank you for inviting me to you wedding.
谢谢你邀请我参加你们的婚礼。
I want to make a long distance call.
我想打个长途电话。
But you still haven't explained what you're doing here.
啊，你还没有说你是来干什么的。