单词	polyether
释义	polyether noun poly·​ether ¦pälē+ : any of a group of polymers in which the repeating unit contains a carbon-oxygen bond derived especially from an aldehyde or an epoxide and which are used especially in the manufacture of plastic foams Word History Etymology poly- + ether First Known Use 1922, in the meaning defined above
随便看	Pterocletes Pteroclididae pteroclididaes pterocnemiae pterocnemias pterodactyl Pterodactyli pterodactyli pterodactylidaes pterodactyls Pterodactylus pterodactyluses pterodactylusses Pterodroma pteroes pterographer pterographic pterographical pterography pteroid Pterois pteroises Pterolichus pteroma pteromalid

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