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1·The wall was surmounted by a flat stone without a coping.

墙头上铺了平石板，不带椽条。

2·When this was done, she took an empty jar from a neighbouring grave, brought water, and carefully, most scrupulously sponged the marble headstone and the coping-stone.

做完这些，她从旁边的坟墓取来一个空坛子盛了些水，开始一丝不苟地擦拭着大理石墓碑和压顶石。

3·The final scene is the coping-stone of the play.

这个剧的最后一场是压轴戏。