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	gahnites layboy laybyes laybys layer layer board layer cake layer's cramp layer-on layer-out layer-up layerage layerages layered layering layerings layerman layermen layers layers-on layers-out layers-up layest layette layettes

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