Tubes
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
555-7700. 555 7700
555-7700. 555 7700
What's the population of China?
中国有多少人口？
and shows no signs at present of ceasing to rise.
并且目前尚无停止上升的迹象，