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
Right.
好的。
I can't believe it.
我简直不敢相信。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。