| 单词 | naphthalene |
| 释义 | naphthalene (once / 51389 pages) n WORD FAMILY naphthalene: naphthalenes USAGE EXAMPLESFormer employee Brian Dennis, who was employed at the works for 26 years, said these included naphthalene, benzene, tar and ammonia. BBC(Sep 25, 2016) The spray was a 25 per cent DDT concentrate suspended in a solvent containing methylated naphthalenes. Rachel Carson, Silent Spring(1962) An EPA statement says contaminants on the site included benzene, toluene, ethylbenzene and naphthalene. Washington Times(Mar 29, 2016) n a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs Hyper hydrocarbon an organic compound containing only carbon and hydrogen |
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