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单词 caffeine
释义

caffeine

Word family adjectivecaffeinatednouncaffeinecaffeinism
Related topics: Food, Drugs, medicines
caf·feine /ˈkæfiːn $ kæˈfiːn/ noun [uncountableU]  
DFMDa substance in tea, coffee, and some other drinks that makes you feel more active 咖啡因,咖啡碱 decaffeinated
 Avoid caffeine (=drinks with caffeine) before bedtime.
睡觉前不要喝含有咖啡因的饮料。
 a caffeine-free cola
不含咖啡因的可乐
caffeinated /ˈkæfɪneɪtɪd/ adjectiveadj
Examples from the Corpus
Origin caffeine
(1800-1900) German kaffein, from kaffee coffee, from French café
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更新时间:2025/2/13 15:50:52