单词	dicyclopentadiene
释义	dicyclopentadiene noun di·​cyclopentadiene (¦)dī+ : a liquid tricyclic hydrocarbon C10H12 formed from cyclopentadiene on standing and yielding cyclopentadiene on boiling Word History Etymology di- + cycl- + pentadiene First Known Use 1904, in the meaning defined above
随便看	timing timing belt timing belts timing chain timing chains timing gears timing screw timing valve timing washer timings Timiskaming Timisoara timist timists Timiş timmer Timmins timne Timne timnes timocracies timocracy timocratic timocratical timolol

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