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
Many people take tables or capsules to try and stay healthy.
许多人靠服药或胶囊保持健康。
It seems he's interested.
看起来他好像很有趣。
She stamped out the letters 'SOS' in the snow.
她在雪地上踩出了“SOS”这3个字母。