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
I think she has a stomachache.
我想她肚子痛。
Grain by grain and hen fills her belly.
一粒一粒啄米，母鸡填饱肚皮。
Where?
哪儿？