falloff跌落,滚落下Whenyouarelearningtorideabicycle,youoftenfalloff.初学骑自行车时,常会从车上掉下来.突然降低;向下斜Thelandfallsoffheretowardstheriver.这儿的地势朝河的方向低了下去.减少Thenumberofpasseng...
falloff跌落,滚落下Whenyouarelearningtorideabicycle,youoftenfalloff.初学骑自行车时,常会从车上掉下来.突然降低;向下斜Thelandfallsoffheretowardstheriver.这儿的地势朝河的方向低了下去.减少Thenumberofpasseng...