单词	gearwheel
释义	gearwheel noun gear·​wheel ˈgir-ˌ(h)wēl  : gear sense 6a(2) Word History First Known Use circa 1874, in the meaning defined above
随便看	cetorhinusses cetothere cetotherean Cetotheriidae cetotolite cetrariae extension spring extension table extension-gap lathe extensional extensionalism extensionalities extensionality extensionalization extensionalize extensionally extensionist extensionists extensionless extensions extensities extensity extensive extensively extensiveness

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