Vacuum tube
真空管, 电子管\\n[化] 真空管
📖 牛津释义
vacuum tube
(US) (Brit radio valve), sealed glass tube with an almost perfect vacuum to enable an electriccharge to pass through, formerly used in radios, televisions,etc 真空管; 电子管.
🧩 词语组成解析
🗣️ 情景例句
You'd better watch your step or you'll get into trouble again.
你最好留点儿神， 免得再惹麻烦。
When the accident happened, I was cleaning the car.
当意外事故发生的时候，我在清理汽车。
Mary and her husband Dimitri lived in the tiny village of Perachora in southern Greece.
玛丽与丈夫迪米特里住在希腊南部一个叫波拉考拉的小村庄里。