Vinylpyridine
[建] 乙烯啶
🗣️ 情景例句
Thanks. Nice to meet you ... again.
谢谢。很高兴又……见到你。
Well done, friend.
朋友，做得好。
I know. I can help him with most of his subjects.
我知道。我可以帮助他学习绝大多数科目。