Active clay
[机] 活性粘土
🧩 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;
clay
[kle]
n. 黏土，泥土;（相对于灵魂而言的）人体，肉体;似黏土的东西;克莱（男子名， Clayton 的昵称）;
vt. 用黏土处理;
🗣️ 情景例句
He never married because
他不结婚是因为
Friends may meet, but mountains never greet.
朋友可相逢，高山永分离。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。