Para-hydroxypropiophenone
[医] 对羟基苯丙酮
🧩 词语组成解析
[经] 帕拉
🗣️ 情景例句
I'll be seeing you!
再见。
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。