Diester
[机] 二酯
🗣️ 情景例句
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
Hello. May I speak to Mr. Green?
你好，我找格林先生。
I mean you eat too much food, but you don't take enough exercise, said the doctor.
“我的意思是你吃得太多，但运动不够，”医生说。