copulation

n [U] act of copulating 交配; 交尾.

cope with, copeck (also kopeck), Copernican, copier, coping, coping-stone, copious, copiously, copper, copper beech, copper-bottomed, copperhead, copperplate, coppice, copra, copse, Copt, Coptic, copula, copulate, copulative, copy, copy desk, copy-book, copy-cat, copy-typist, copy-writer, copyist, copyright, coquetry, coquette, coquettish, coquettishly, cor anglais, coracle, coral, coral island, coral reef, corbel, cord,