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
The company has shown exceptional growth over the past two years.
过去两年中这家公司获得了很大的发展。
John and I are old friends.
我和约翰是老朋友了。
Here's your umbrella and your coat.
这是您的伞和大衣