Ortho-tolidine
[建] 联邻-甲苯氨
🧩 词语组成解析
原; 直
n. [化]联甲苯胺,二甲基二氨基联苯
🗣️ 情景例句
then I've got to do some thinking about
那么我就必须考虑考虑
He who hath good health is young,and he is rich who owes nothing.
健康葆青春，无债即富有。
Fifteen minutes passed and then, at five to twelve, the clock stopped.
15分钟过去了，而就在11点55分时，大钟停了。