Para-hydroxypropiophenone
[医] 对羟基苯丙酮
🧩 词语组成解析
[经] 帕拉
🗣️ 情景例句
How wonderful to meet you again!
又一次见到您真是太高兴了！
My book has a dark blue cover.
我的书有一个深蓝色的封面。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。