N,n-diethyl-p-phenylenediamine
[化] N,N-二乙基对苯二胺
🧩 词语组成解析
a. [化]二乙基的
苯二胺
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
Open your eyes!
眼睛睁大点！
He is swimming across the river.
他正横渡小河。