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
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
Oh? Where were you?
哦，上哪儿去了？
I am, Miss Zhao, said Wei Hua. Today is Saturday, September 19th.
“是我，赵小姐，”魏华说，“今天是9月19日，星期六。