单词	synaptychus
释义	synaptychus noun syn·​aptychus ¦sin, sə̇n+ : an operculum of two parts united in the median line (as in some ammonites) Word History Etymology New Latin, from syn- + aptychus
随便看	duodecyl duoden- duodena duodenal duodenal juice duodenary duodenectomies duodeno- duodenum duodenums duodrama duograph duologs duologue duologues duomi duomo duomos duopolies duopolistic duopoly duopsonies duopsony duos duotone

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