為您提供naphthalene英英釋意。" />

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首頁英語詞典naphthalenenaphthalene英英釋意

naphthalene

英 ['n?fθ?li?n]
  • n. 衛(wèi)生球；臭樟腦

英英釋意

1. a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs