过河上学的路上,有一条小小的河沟,也就三四米宽,平时也没有多少水。河上有一座石头砌成的小拱桥,过桥上学,必须多走二百米路才行。现在已经是冬天了,只要河水结了冰,人们就抄近路,从冰上过河了。放学时,胖同学侯天华和瘦同学孙小北走在一起。快到小河边时,他们就开始商量,孙小北说:“咱们是不是可以不走小石桥了?河水早冻冰了。” Crossing the river to school on the road, there is a small river ditch, also three or four meters wide, usually not much water. There is a small stone bridge on the river, cross the bridge to school, you must take the 200-meter Caixing Caixing. Now it is winter, and as long as the river is frozen, people take a shortcut and cross the ice. After school, fat students Hou Tianhua and thin students Sun Xiaobei walk together. As they approached the river, they started to talk about it. Sun Xiaobei said: "We can not walk the Little Stone Bridge?