单词	coumarone
释义	coumarone /ˈkuːmərəʊn / noun [mass noun] Chemistry An organic compound present in coal tar, used to make thermoplastic resins for paints and varnishes. A bicyclic compound with fused benzene and furan rings; chemical formula: C8H6O. Origin Late 19th century: from coumarin + -one.
随便看	Negrophobe Negrophobia Negros Negro spiritual negus Neh. Nehantic Nehemiah Nehru, Jawaharlal Nehruvian neicher neifty neigh neighbor neighborhood neighborhood center neighborhood friendly neighborhood road neighborhood school neighborhood unit neighboring neighborite neighbor-like neighborly neighbour

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