Eicosyl
[化] 二十烷基
🗣️ 情景例句
Certainly sir, and is there anything else I can do for you?
当然了，先生，请问还有什么我能为你效劳呢？
You have to study English, don't you?
你必须学英语，不是吗？
I'm not really interested in fishing.
我并不是真的对钓鱼有兴趣，