U. s. d.
[医] 美国处方集
🧩 词语组成解析
[医] 单位
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
The party was fresh in her memory.
那次聚会在他脑海里记忆犹新。
You can enlarge your knowledge and learn some English at the same time.
你可以扩大你的知识面，同时又学习了英语。