Bos
[计] 基本操作系统, 成批处理操作系统\\n[医] 牛属
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
I'm going to try to leave by 10:00.
我争取10点以前离开。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，