Diethyl malonate
[化] 丙二酸二乙酯
🧩 词语组成解析
a. [化]二乙基的
丙二酸
🗣️ 情景例句
They ask questions like Do you have any brothers or sisters?.
他们常问一些像“你有兄弟姐妹吗？”。
A burden of one's choice is not felt.
自己选的担子不嫌重。
She usually wears that round her middle when she goes out.
她外出时总是把它系在腰上。