Diacetyl benzidine
[化] N,N'-二乙酰联苯胺
🧩 词语组成解析
n. [化]联乙醯
n. [化]对二氨基联苯
🗣️ 情景例句
Good-bye, Richard, and good luck. See you in two weeks.
再见， Richard， 祝你好运。两周后见。
We can't make a decision without thinking it over.
我们不能不考虑，就作决定。
He says that all this happened after I started work.
他说，这一切都是在我开始工作后才发生的。