单词	Conchostraca
释义	Conchostraca plural noun Con·​chos·​tra·​ca -ŋˈkästrəkə also -ˈkȯs- : a small order of freshwater crustaceans (subclass Branchiopoda) entirely enclosed in a bivalve carapace conchostracan -rəkən noun plural -s Word History Etymology New Latin, from conch- + -ostraca
随便看	rudistid Rudmasday Rudolf Rudolf I Rudolf, Lake Rudolphine tables rudrae rudras ruds rue rue anemone rue bargain rue family rue oil rued rueful ruefuler ruefulest ruefuller ruefullest ruefullier ruefulliest ruefully ruefulness ruefulnesses

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