| 单词 | caffeine |
| 释义 | Related topics: Food, Drugs, medicinescaf·feine /ˈkæfiːn $ kæˈfiːn/ noun [uncountable] 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/ adjectiveExamples from the Corpuscaffeine• Progress in learning how alcohol and caffeine work has had to wait for new knowledge of how the brain works.• Avoid caffeine three to four hours before bedtime.• He was told to gradually cut these out, along with all other drinks containing caffeine.• Obvious examples include caffeine and ephedrine, the latter being readily available to the public in over-the-counter cold remedies.• Many brands of aspirin and aspirin substitutes include a significant dose of caffeine.• Under the influence of a pint of caffeine the world seemed a friendlier place.• You put caffeine behind some other drug you've got inside you, and it gives that drug a kick.• It was only after the caffeine began to work that he realized that everyone was kind of waiting for something to happen.• Not only must the caffeine be eliminated, but the break-down products have to be eliminated as well.Origin caffeine (1800-1900) German kaffein, from kaffee “coffee”, from French cafécaf·feine nounChineseSyllable Corpus and tea, substance in other that a coffee, some drinks makes |
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