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单词 naphthalene
释义
Naphthalene
nnoun.substancea white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
Substance Holonyms:coal tar camphor ball mothball
Hypernyms:hydrocarbon
Inherited Hypernyms:naphthalenehydrocarbonorganic compoundcompoundchemicalmaterialsubstancematterphysical entityentity
Inherited Hypernyms:naphthalenehydrocarbonorganic compoundcompoundchemicalmaterialsubstancepartrelationabstractionentity
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