Opsopyrrole
[化] 3-甲基-4-乙基吡咯
🗣️ 情景例句
about your math teacher or your math homework.
你的数学老师或你的数学作业。
What is she doing now?
她现在干些什么呢？
The bus was full. We couldn't get on.
车挤得满满的，我们上不去。