英语词汇“ptychodont”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ptychodont
释义	ptychodont Palæont.\|ˈptɪkəʊdɒnt\| [f. Gr. πτῠχή fold + ὀδούς, ὀδοντ- tooth.] Having the crowns of the molar teeth folded, as in the fossil genus Ptychodus. 1890in Cent. Dict.
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