Cofi
abbr. confidential 秘密的，机密的
🗣️ 情景例句
Five five five…zero eight zero eight.
555-0808。
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。