Usn
abbr. 美国海军（United States Navy）
📖 牛津释义
USN
abbr
缩写 = United States Navy 美国海军.
🗣️ 情景例句
I'm having a wonderful time.
我过得很愉快。
The snake curls up.
蛇盘成一团。
But he wanted to see the old folk again and to visit my mother's grave.
但是，他想看一看家乡父老乡亲，为我的母亲扫墓。