Thinkaboutthedifferentwaysthatpeopleusethewind.Youcanus...
问题详情:Thinkaboutthedifferentwaysthatpeopleusethewind.Youcanuseittoflyakiteortosailaboat.Windisoneofourcleanestandrichestpowersources,aswellasoneoftheoldest.Evidenceshowsthatwindmills(风车)begantobeu...