累计查询 0.00 亿次

caffeine

/ˈkæfiːn/ /kæˈfiːn/
  • n.
    [有化][药] 咖啡因;茶精(兴奋剂)
GMAT

双语例句

  1. Caffeine can cause palpitations and headaches.
    咖啡因能引起心悸和头痛。
    来自《柯林斯英汉双解大词典》
  2. It is a well-known fact that caffeine is a stimulant.
    咖啡因是兴奋剂,这是人所共知的事实。
    来自《牛津词典》
  3. As little as 50 mg of caffeine can produce pharmacological effects.
    仅仅50毫克的咖啡因就能产生药理效果。
    来自《柯林斯英汉双解大词典》

网络短语

  • google Caffeine
    咖啡因;谷歌咖啡因
  • caffeine sodium benzoate
    安钠咖
  • Paracetamol and Caffeine Tablets
    酚咖片;酚珈片
  • Ergotamine And Caffeine Tablets
    麦角胺咖啡因片
  • Caffeine citrate
    柠檬酸咖啡碱;磷苯妥英

词语扩展

n.
[药][有化]咖啡因;茶精(兴奋剂)
adj.
caffeinic咖啡酸的
n.
caffeinism慢性咖啡中毒,[内科] 咖啡碱中毒

词义分布

咖啡因
96.2%
咖啡碱
3.8%

英英释义

  • n.a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
  1. n.
    a chemical in coffee and tea that makes you more active
    咖啡碱;咖啡因

词源

  • caffeine咖啡因
    来自cafe, 咖啡。-ine, 化学后缀,见cocaine.
  • caffeine
    From French caféine, from café ‎(“coffee”) or German Koffein, from Kaffee ‎(“coffee”)