Active hub
[计] 有源集线器
🧩 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;
hub
[hʌb]
n. 轮轴;中心，焦点;（电器面板上的）电线插孔;[计]集线器;
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
Wendy, I'd like you to meet my brother Sam.
温迪，我来向你介绍一下我的兄弟萨姆。
New technology has also made its own contribution to noise.
新技术也为噪音作了它的贡献。