U-boat
英 [‘ju:bəut]美- n. U型潜水艇（德国的一种潜水艇）
英文词源
U-boat (n.)1916 (said to have been in use from 1913), partial translation of German U-Boot, short for Unterseeboot, literally "undersea boat."双语例句
1. The United States of America is commonly abbreviated to U.S.A..美利坚合众国常被缩略为U. S. A..来自《现代英汉综合大词典》
2. Somebody forgot to bring along the U-bolts to clamp the microphones to the pole.有人忘了带把麦克风固定在支架上的U形螺栓。来自柯林斯例句
3. And what of the effect on U.S domestic opinion?对美国国内的舆论有什么影响？来自柯林斯例句
4. U.S. forces now occupy a part of the country.美国军队现在占领了该国的一部分。来自柯林斯例句
5. Hammer‘s business pedigree almost gua-ranteed him the acquaintance of U.S. presidents.哈默的商业背景几乎保证了他能够结识美国总统。