短语词组短语Fell fall down 跌跌落落Fell Down a Hole 坠入仙境He fell down yesterday 他倒下了昨天When I fell down 当我成绩下降时The Plan Fell Down 这个计划失败And Then Fell Down 然后倒下My Blocks Fell Down 我积木倒Then He Fell Down 而后又跌倒T fell down 比博普爵士乐 返回 fell down