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
Did you know
你知道
I can't resist the temptation.
我不能抵挡诱惑。
The whole village has been working day and night gathering and threshing this year's crop before the September rains.
全村的人都日夜奋战，要赶在9月的雨季之前把今年的庄稼收获上来，打完场。