coping-stone

n (esp Brit) stone used in a coping 压顶石: (fig fml 比喻, 文) The final scene is the coping-stone of the play, ie, the climax, which completes it appropriately. 这个剧的最後一场是压轴戏.

cooper, cooperate, cooperation, cooperative, coordinate, coordination, coordinator, coorperation, coot, cop, cop-out, copain, copartner, copartnership, cope, cope with, copeck (also kopeck), Copernican, copier, coping, copious, copiously, copper, copper beech, copper-bottomed, copperhead, copperplate, coppice, copra, copse, Copt, Coptic, copula, copulate, copulation, copulative, copy, copy desk, copy-book, copy-cat,