Active substrate
[电] 活性物质
🧩 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;
substrate
['sʌbstreit]
n. 底物;底层;基底;基层;
🗣️ 情景例句
My watch stopped.
我的表停了。
Take your time.
慢慢来。
There was a note of triumph in my voice when I told him that it was there in black and white.
我带着一种胜利者的调子告诉他那趟车白纸黑字。明明白白印在时刻表上。