Passive hub
[计] 无源集线器
🧩 词语组成解析
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 guess they must have inspected only part of the goods, but not the whole.
我猜想，他们检查的只是部分货物，而不是全部。
To conduct an orchestra
指挥交响乐
We're going to meet here, outside the school gate, at two o'clock.
我们打算两点钟在校门外见面。