jeeps maps names numbers pens erasers brothers grades rows birds rulers
friends cats sisters pears dogs students phones clocks desks mice
除最后一个外.其余都是加s
最后一个特殊,应为mice
jeeps maps names numbers pens erasers brothers grades rows birds rulers
friends cats sisters pears dogs students phones clocks desks mice
除最后一个外.其余都是加s
最后一个特殊,应为mice