27.参与策划　　 have a hand in planning

26.与……石头有关 link to the stones

25.很可能　　　　 it is possible that

24.经过……的距离 over a distance of

23.还不知道这些石头如何运来的

　It’s not yet l\known how these were conveyed

22.平均　　 on average

21.重几乎20吨 weigh approximately 20 tons

20.皮衣　　 a leather coat

19.巨石王　 the King of Stonehenge

18.倾向于认为　　 tend to believe