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
We had a cat when I was eight years old.
我八岁时养过一只猫。
What is learned in the cradle lasts till the grave.
婴孩时期学到的东西，老死不会忘记。
Not at all. It was a pleasure!
不客气。那样我很高兴。