| 单词 | 1-butene |
| 释义 | > as lemmas1-butene The isomers of butene are: 1-butene or but-1-ene (CH2=CHCH2CH3); 2-butene or but-2-ene (cis and trans isomers) (CH3CH=CHCH3); and iso-butene (2-methyl-prop-1-ene) (CH3CH2CH=CH2).extracted from butenen.< as lemmas |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。