Heptene dicarboxylic acid
[化] 庚烯二羧酸; 壬烯二酸
🧩 词语组成解析
[化] 庚烯
[化]二羧基的
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
Where can I wash my hands?
请问洗手间在哪里？
I'm terribly sorry.
实在抱歉。