单词	protheca
释义	protheca noun pro·​theca "+ plural prothecae : the basal and first-formed part of the calyculus of a coral Word History Etymology New Latin, from pro- entry 1 + theca
随便看	derout derrick derrick post derricked derricking derrickman derrickmen derricks Derrida derridean derridian derriengue derriere derrieres derries derring-do derringer derringers derris derrises derrière Derry ders derths Deruta

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