Methanedicarboxylic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
I'll go down to Henry's grocery. He's always open.
我到亨利杂货店去。那里总是开门营业的
To smoke a cigarette
吸烟
No,you mustn't eat anything until you see the doctor.
不行，看医生之前你不可以吃任何东西。