caffeine / kæˈfin, ˈkæf in, ˈkæf i ɪn /

💦中学词汇咖啡因咖啡碱咖啡醇咖啡粉

caffeine 的定义

n. 名词 noun

Chemistry, Pharmacology.

  1. a white, crystalline, bitter alkaloid, C8H10N4O2, usually derived from coffee or tea: used in medicine chiefly as a nervous system stimulant.

caffeine 近义词

caffeine

等同于 coffee

更多caffeine例句

  1. Now its lattes and caffeine are flying through the sky in silent drones moving at 80 miles per hour.
  2. Of Nuun Sport’s 13 flavors, I highly recommend citrus fruit, strawberry lemonade, and cherry limeade plus caffeine.
  3. I love drinking tea, but I have to cut off my caffeine intake pretty early in the day if I want to get to sleep at a decent hour.
  4. “If you want to understand penicillin or caffeine, you can’t do that on a conventional supercomputer, no matter how big you make it,” Krishna explained.
  5. Nestlé Chief Executive Officer Mark Schneider skips his afternoon Nespresso, as genetic tests revealed his body processes caffeine only slowly, depriving him of sleep.
  6. The Pentagon security reviewers must have been suffering a dearth of caffeine or sleep.
  7. The story gets out that Obama skipped his usual afternoon dose of caffeine heading toward the U.N. meeting.
  8. This clean source of caffeine is the next noble, and healthy, substitute for your daily cup of coffee.
  9. A “caffeine nap,” or a quick cup of something caffeinated followed by a nap, outperforms both a nap or caffeine independently.
  10. Einöther authored the most comprehensive review of research on caffeine to date.
  11. Both contain stimulating alkaloids, theobromine and caffeine, and fat is a notable constituent of cocoa.
  12. It's thick enough to stand a spoon up in, and it has way more caffeine than the kiddee-pops like Red Bull.
  13. I'd totaled about three hours of sleep, and even three cups of the Turk's caffeine mud failed to jump-start my brain.
  14. It appears to be identical with caffeine, the active principle of coffee and tea.
  15. This first term gives rise to a series of bodies in lateral groups, of which the most interesting are caffeine and theobromine.