Tubes
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
Yup. Forty-three years.
是的， 四十三年了。
Sorry. Was I disturbing you?
对不起，我刚才打扰你了吗？
Later we learnt that there was a very important person on board.
后来我们才得知，飞机上坐了一位非常重要的人物。