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
Michelle knows all about it.
Michelle已经全知道了。
Off the hook.
放你一马。
After I had had lunch at a village pub, I looked for my bag.
我在一家乡村小酒店吃过午饭后，就找我的提包。