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 want to be sure that you're responsible
我们要确定你是肯负责的，
I beg your pardon.
请原谅。
'Though Verrazano is by no means considered to be a great explorer,
虽然维拉萨诺绝对算不上一个伟大的探险家，