Df
[计] 数据区, 目的区, 设备标志, 磁盘文件, 倍频
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
Would you like to leave your name?
你想要留下你的名字吗？
Every night, the man upstairs came back late.
每天晚上，楼上人回来很晚。