单词	naphthylene
释义	naphthylene noun naph·​thy·​lene ˈnafthəˌlēn, ÷ˈnapth- plural -s : any of several bivalent radicals −C10H6− derived from naphthalene Word History Etymology International Scientific Vocabulary naphthyl + -ene
随便看	mortar mortar bed mortar boat mortarboard mortarboards mortared mortaring mortarless mortarman mortarmen mortars mortarware mortary mortbells mortcloth mortcloths morten Mortensen mortersheen mortgage mortgage deed mortgage guarantee bond mortgage insurance mortgage loan mortgage one's future

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