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单词 naphthacene
释义 naph·tha·cene
\ˈnafthəˌsēn, ÷ ˈnapth-\ noun
(-s)
Etymology: International Scientific Vocabulary naphth- + -acene
: an orange crystalline tetracyclic hydrocarbon C18H12 isomeric with chrysene and benzanthracene and present in small amounts in coal tar
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