roll 和 tumble end over end有什么区别

roll 和 tumble end over end有什么区别 end和over有什么区别 over和end的区别 at the end和in the end 有什么区别 by the end 和in the end有什么区别 end in 和end with 有什么区别? 请问end in ,end with 和end up with 有什么区别? final和end有什么区别? at an end,in the end,by the end of和at the end有什么区别? final和end什么区别`` by the end ,in the end ,at the end ,on end有什么区别 in the end of 和 finaly 和 at the end of 有什么区别