"I fell down" ordinarily means falling onto whatever you are standing on. You can usually …
If a building is falling down, it is in a very bad condition and there is a risk that it will break …
Fall does not need an object: Mrs McGrath had a terrible fall yesterday. She’s in hospital now. …
To fall down is just a generic statement of falling - he fell down after tripping on a tree root. To …
fall down/fall off/fall over的区别. 英语园丁冉老师 2020-04-25 20:02. 一.fall down意为“滑倒；摔 …
更多内容请点击：Fall or fall down ? - 当代英语语法 - 剑桥在线词典 ...