猜谜语：1.What goes through a door,but never goes in or comes ou

what comes down but never goes up- What goes up but never comes down? what goes up but never comes up what goes up but never comes down 英语猜谜语what comes ones in a year twice in a week but never in 英语IQ题：what goes up but never comes down? what comes down,but never goes up?先英翻中再解题 What goes up and never comes down? 英语猜谜语!1.What goes up when the rain comes down 是什么?写出英语和汉来!2. what goes around comes What part of us goes up and never comes down? What thing always goes up,and never comes down