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 don't like to waste my time chatting on the net.
我不想把时间浪费在网络聊天上。
I'll get it.
我去接电话。
Sorry! I think we had them for lunch. We must get some more tomorrow.
对不起！我想我们中午吃掉了。我们明天得再买一些。