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
He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是靠自己的能力。
Can you keep an eye on my bag?
帮我看一下包好吗？
It threatened to surround him completely, but Tazieff managed to escape just in time.
眼看就要将他团团围住，但塔捷耶夫还是设法及时逃离了。