Diethyl maleic acid
[化] 二乙基马来酸
🧩 词语组成解析
a. [化]二乙基的
n. 顺丁烯
🗣️ 情景例句
Is this where I claim parcels?
这里是领包裹的地方吗？
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
They devise hundreds of competitions which will enable us to win huge sums of money.
他们设计数以百计的竞赛，竞赛中有人可赢得巨额奖金。