U tubes
[医] U形管
🧩 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
I'd like to have you meet my foreman--
我希望带你去认识工头，
Education begins a gentleman, conversation completes him.
人的教养始于教育，成于社交。
She is standing in the front of the bus.
她站在公共汽车的前部。