Vacuum tubes
[医] 真空管
🧩 词语组成解析
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
Wow, your head's burning up!
哎呀，你的头真烫！
The outdoor concert was called off due to the weather.
露天音乐会由于天气原因被取消。
Bye.
再见。