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caffein

n. 咖啡碱;茶精

咖啡硷;茶精

WordNet (r) 3.0 (2006) (WordNet)

caffein
n 1: a bitter alkaloid found in coffee and tea that is
responsible for their stimulating effects [synonym: {caffeine},
{caffein}]

The Collaborative International Dictionary of English v.0.48 (gcide)

caffein \caf*fe"in\, Caffeine \Caf*fe"ine\, n. [Cf. F.
caf['e]ine. See {Coffee}.] (Chem.)
A white, bitter, crystallizable substance, found in coffee
and tea. It is identical with the alkaloid {theine} from tea
leaves, and with {guaranine} from guarana. It is responsible
for most of the stimulating effect of coffee or tea.
[1913 Webster WordNet 1.5]

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单词	字典	翻译
caffein	查看　caffein　在百度字典中的解释	百度英翻中〔查看〕
caffein	查看　caffein　在Google字典中的解释	Google英翻中〔查看〕
caffein	查看　caffein　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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