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单词 anodont
释义 anodon(t Zool.|ˈænədən, -ɒnt|
[mod.L. anodonta (in which form the word usually occurs), f. Gr. ἀν priv. + ὀδόντ-α tooth.]
A genus of bivalve molluscs, so called because they have no teeth on the hinge of their shell; e.g. fresh-water mussels.
1847Carpenter Zool. §949 The Unio resembles the Anodon in the structure of the shell..except that the hinge is more complicated.1876Beneden Anim. Paras. 39 The young anodonts have, not like the other acephala, vibratory wheels in order to move themselves.1878Bell Gegenbauer 342 The other posterior, as in Unio or Anodonta.
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