Lfs
[计] 逻辑文件结构, 逻辑文件系统
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
I have two tickets for a great movie. Why don't you come with me?
我有两张大片的电影票，你要同我一起去看吗？
No, he didn't!
没有！