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naphthalene

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naphthalene

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++naph·tha·lene /ˈnæfθəliːn/ (also naphtha /ˈnæfθə/) noun [uncountable]  DHCHCCa type of oil used for fuel or for making chemicals 萘〔用作燃料或化学品原料〕
Examples from the Corpus
naphthaleneI could taste iron in the air, and naphthalene.The curve in the middle shows what happens when a mixture of benzene and naphthalene is cooled.At point E a solid mixture of benzene and naphthalene is formed.The liquid thus becomes richer in naphthalene.They had been salted away in mothballs and smelt of naphthalene.Solid begins to form at point A. Depending on the composition of the mixture, the solid will be either benzene or naphthalene.SOLID-LIQUID EQUILIBRlA Figure 6.28 shows the cooling curves for pure benzene, pure naphthalene and a mixture of the two.Let us now consider a liquid mixture of composition c. This starts to form solid naphthalene at point c'.
naph·tha·lene nounChineseSyllable
of for used Corpus fuel type or oil a


naphthalene
naphthalene /ˈnæfθəliːn/ (also naph‧tha /ˈnæfθə/) noun [uncountable]
a type of oil used for fuel or for making chemicals


naph·tha·leneBrE /ˈnæfθəliːn/ 🔊NAmE /ˈnæfθəliːn/ 🔊, also /ˈnæpθəliːn/ 🔊 noun [uncountable] (chemistry 化学) a substance used in products that keep moths away from clothes, and in industrial processes 萘(用于制作卫生球等)