单词	Synapsida
释义	Synapsida plural noun Syn·​ap·​si·​da -psədə : a subclass of Reptilia comprising extinct reptiles of the Pennsylvanian, Permian, and Triassic, having a single pair of lateral temporal openings in the skull, and usually held to be ancestral to the true mammals compare ictidosauria , therapsida Word History Etymology New Latin, from synapsis + -ida
随便看	sororising sororities sorority sororize sororized sororizes sororizing Soros sorose soroses sorosilicate sorosis sorosises Sorosporella Sorosporium sorption sorptions sorptive sorra sorrel sorrel dock sorrel family sorrel tree sorrel vine sorreler

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