Passive device
[电] 无源设备
🧩 词语组成解析
🗣️ 情景例句
and where do they report?
他们去哪儿报到？
Wit once bought is worth twice taught.
亲身一次的经验，抵得上老师两次的教导。
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。