Is that why we can call autumn"fall"

Is that why we can call autumn"fall" Is that why we can all autumn “fall”? Is that why we can call auyumn "fall"? ls thet why we can call autumn "fall" 是什么意思 Is thar why we can call autumn 3Q we can call autumn是什么意思 Is autumn also called fall?Why?的意思 求翻译：Why do we fall,sir?SO that we can learn to pick ourselve when autumn comes ,we can see many ____ (fall)leaves? Fall is also called autumn We can see leaves _____ down from trees in autumn.A.fall B.f ___ we call a computer is really a kind of tool that can do