Paroxypropiophenone
对羟基苯丙酮
🗣️ 情景例句
I was wondering if you could help me. I'd like to know.
不知道你能否帮助我，我想知道。
I learned grammar this afternoon.
我今天下午学语法。
She wanted to find out whether it would be comfortable to wear.
想看穿起来是否舒服。