land area ground room区别

land area ground room区别 room ,area,place,ground与 space的区别 ground land field区别 bottom,ground.land.floor 区别 land,ground和earth区别 area territory land field 的区别 place area ground的区别是什么? earth,soil,land,ground有什么区别? place room area的区别 place room area position 用法区别 room area space field 的区别 space.area.place.room的区别?