Dicarboxylic
[化]二羧基的
🗣️ 情景例句
Is this the window for claiming parcels?
这是领取包裹的窗口吗？
I know the boy whose father is an engineer.
我知道那个男孩的父亲是工程师。
I'm sure I can do better than that.
我肯定会超过1分12秒的。