Active amyl stearate
[机] 硬酸旋性成酯
🧩 词语组成解析
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;
n. 戊基\\n[化] 戊基
n. 硬脂酸盐\\n[医] 硬脂酸盐
🗣️ 情景例句
I must have see you somewhere before.
我一定在哪里见过你。
What is the weather like in this country?
这个国家的气候如何？
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。