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 know,
我知道，
Have you taken a plane?
你坐过飞机吗？
I'd prefer to do that tomorrow. I don't feel like walking very much today.
我宁可明天游览。今天我不太想步行。