Fallou法卢fallv.落下；倒下；来临n.秋天；落下；瀑布fall and graze one's facefall into worthless hands落入不中用的人手里Fall to one's full lengthfalling hammer experiment落锤试验fall into the living hell落进火坑falling ball viscosimeter落球粘度计fallopian tubal pregnancy输卵管妊娠fall into the position of陷于某种地位falling sphere viscometer落球粘度计Fall among bad companions开始与坏为伍