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
The times have been very bad.
时机一直很坏。
What will you do then?
你那时将做什么？
I went into her tent and she told me to sit down.
我走进她的帐篷，她叫我坐下。