Dodecenyltrialkylmethylamine
[化] 十二碳烯基三烷甲基胺(指(C12H23)(R-3C)NH)
🗣️ 情景例句
I've never been more relaxed.
我从来没像这样轻松过。
You haven't changed a bit!
你一点都没变！
I don't believe we've met.
我们以前没有见过吧？