单词	Palaeoptera
释义	Palaeoptera plural noun Palae·​op·​tera : a major division of Pterygota comprising winged insects that are unable to flex their wings over the abdomen and including the orders Odonata and Ephemeroptera palaeopterous ¦⸗⸗¦⸗t(ə)rəs adjective Word History Etymology New Latin, from pale- + -ptera
随便看	jackknife jackknife clam jackknifed jackknifes jackknifing jackknives jackleg jacklegs jacklight jacklighted jacklighter jacklighting jacklights jacklit jackman jackmen jacko jackpot jackpots jackrabbit jackrabbited jackrabbiting jackrabbits jackrod jackroll

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