Jf
abbr. 纪念邮资信封
🗣️ 情景例句
Are you sure? But ... OK.
你确定吗？ 但……算了。
I'm going to the hospital tomorrow for tests.
我明天要去医院接受检查。
The train was traveling at 120 miles an hour.
火车时速一百二十英里。