U-boats
(U-boat 的复数) n. 潜水艇
🧩 词语组成解析
n. 船艇；船（boat的复数）
🗣️ 情景例句
Are you kidding? Relax?
在开玩笑吗？ 放轻松？
An honest man's word is as good as his bond.
诚实人的话像他的契约一样靠得住。
My parents used to live in South America and I used to fly there from Europe in the holidays.
我的父母曾经住在南美洲，所以假期里我常从欧洲乘飞机到他们那里。