基本解釋[生物學(xué)]角貝屬詞組短語短語elephant tusk shell 掘足類軟體動物tusk shell更多詞組英英字典柯林斯英英字典 any of various burrowing seashore molluscs of the genus Dentalium and related genera that have a long narrow tubular shell open at both ends: class Scaphopoda (Also called tooth shell)tusk shell劍橋字典tusk shell柯林斯字典專業(yè)釋義生物學(xué)角貝屬