Undecylic acid
[化] 十一酸; 十一烷酸
🧩 词语组成解析
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
How much is this rug?
这条地毯多少钱？
I see what your mean.
我了解你的意思。