单词	Pentamerus
释义	Pentamerus noun Pen·​tam·​er·​us pen‧ˈtamərəs : a genus (the type of the family Pentameridae) comprising Paleozoic brachiopods of the order Protremata abundant in the Silurian and having the shell rostrate and oval or somewhat pentagonal with its cavity divided by two internal vertical ridges and a spondylium in each valve Word History Etymology New Latin, from penta- (from Greek) + -merus -merous
随便看	fient fier fierasfer fierasferid Fierasferidae fierasferoid fierce fiercelier fierceliest fiercely fiercen fierceness fiercenesses fiercer fiercest fieres fieri facias fierier fieriest fierilier fieriliest fierily fieriness fierinesses fiery

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