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
and I have to go to the hospital.
我得赶去医院。
To wait patiently for the protesters to move
耐心地等待示威队伍离去
He turned on the light, but he couldn't see anyone. The thieves had already gone.
他开了灯，但不见一个人。小偷逃走了。