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 bride's wedding gown is so beautiful.
新娘的婚纱太漂亮了。
Teacher. He is teaching.
老师。正在教书。
So then what happened?
后来怎么样？