单词	bounden
释义	boundenbound‧en /ˈbaʊndən/ adjective Word Origin WORD ORIGINbounden Origin: 1200-1300 Old past participle of ➔ BIND1 your bounden duty old use something that you should do because it is morally correct
随便看	ethos ethyl alcohol E-ticket etiolated etiolation etiological etiologically etiology etiquette Etna Eton -ette etymological etymologically etymologist etymology EU eucalyptus Eucharist Euclid eugenics Eugenides, Jeffrey eulogist eulogistic eulogize

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