U-boats
(U-boat 的復數) n. 潛水艇
?? 詞語組成解析
n. 船艇；船（boat的復數）
??? 情景例句
She likes to go from man to man.
她的男友換了一個又一個。
I've come to say goodbye.
我是來告別的。
but by now the Thermopylae was over five hundred miles ahead.
但此時，“賽姆皮雷”號早已在500多英里之遙了。