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
She complained, with reason, that she had been underpaid.
她抱怨她的工资一直很低，这也不无道理。
You go first. I'll catch up later.
你先走，我随后就到。
Beyond two or three days, the world's best weather forecasts are speculative,
世界上最好的两三天以上的天气预报具有很强的猜测性，