Active carbon
[化] 活性炭; 活性炭黑
🧩 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;
🗣️ 情景例句
Don't be silly, Harry.
别闹了， Harry。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
When he was decorating his house, he had gotten the bedroom painted first.
他装修房子时，先刷了卧室。