| 单词 | 环烷烃 |
| 释义 | 〔cyclopentane〕A colorless, flammable, liquid cycloalkane, C5H 10, derived from petroleum and used as a solvent and motor fuel. 环戊烷：一种无色、易燃的液体环烷烃，C5H 10，从石油中提取并用作溶剂和发动机燃料 〔naphthene〕Any of several cycloalkane hydrocarbons having the general formula CnH 2n and found in various petroleums. 环烷烃：分子式为CnH 2n的一系列饱和环烷烃，存在于各种石油中 |
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