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单词	isobutylene
释义	isobutylene /ˌʌɪsəʊˈbjuːtʌɪliːn / /ˌʌɪsəʊˈbjuːtɪliːn / noun [mass noun] Chemistry An easily liquefied hydrocarbon gas used in the making of butyl rubber. Chemical formula: (CH3)2CCH2. Electrophilic addition of the t-butyl cation to isobutylene completes the process and regenerates the t-butyl cation.
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