Propiram
[化] 丙吡兰; 丙吡胺
🗣️ 情景例句
What's wrong?
怎么啦？
It is never too old to learn.
为学不怕年高。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。