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
That's the recreation center and restaurant.
那是娱乐中心和餐馆。
A valiant man's look is more than a coward's sword.
勇士的神色胜过懦夫的刀剑。
Now she looks pale as if she were ill.
现在她脸色难看，好像病了一样。