单词	Physidae
释义	Physidae plural noun Physi·​dae ˈfisəˌdē, ˈfīs- : a family of freshwater pulmonate snails (suborder Basommatophora) including Physa and related genera Word History Etymology New Latin, from Physa, type genus + -idae
随便看	downrightness downrightnesses downriver downrushes Downs downs downscale downscaled downscaler downscales downscalest downscaling downset downshift downshifted downshifting downshifts downside downside up downsides downsitting downsize downsized downsizes downsizing

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