Tri-active amylamine
[化] 三胺; 三旋性戊基胺
🧩 词语组成解析
[计] 三
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
戊胺, 戊基胺
🗣️ 情景例句
She has a high reputation as a writer.
她是个有名气的作家。
How did this happen?
怎么会这样？
Though my aunt pursued what was, in those days, an enlightened policy, in that she never allowed her domestic staff to work more than eight hours a day, she was extremely difficult to please.
姑妈待佣人在当时算是开明的，从来不让佣人每天工作超过8小时，但他们很难使她称心如意。