Para-hydroxypropiophenone
[医] 对羟基苯丙酮
🧩 词语组成解析
[经] 帕拉
🗣️ 情景例句
I know you don't understand but you will just have to accept my opinion this time.
我知道，你或许不能理解，但这次你必须接受我的意见。
This is a receipt.
这是一张收据。
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。