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
for the repainting of the interior of the building
用来重新粉刷内部
He is never alone that is in the company of noble thoughts.
思想崇高者，绝不会孤独。
What is it?
什么好消息？