caffeine

英 [ˈkæfiːn]

美 [ˈkæfiːn]

n.  咖啡因; 咖啡碱

化学

Collins.1 / BNC.22623 / COCA.9489

牛津词典

noun

• 咖啡因；咖啡碱
  a drug found in coffee and tea that makes you feel more active

柯林斯词典

• 咖啡因;咖啡碱
  Caffeineis a chemical substance found in coffee, tea, and cocoa, which affects your brain and body and makes you more active.

英英释义

noun

• a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
  Synonym:caffein

双语例句

• Caffeine is bad for your health.
  咖啡因对人体健康有害。
• How much caffeine you drink?
  你喝了多少咖啡？
• And many people in this world are addicted to caffeine.
  在这个世界上有许多人对咖啡因上瘾。
• If you are sensitive to caffeine, avoid it in the afternoon and evening.
  你对咖啡因敏感的话，在中午和晚上就食用。
• Try to limit your sugar and caffeine intake.
  尽量限制糖和咖啡因的摄入。
• Nicotine is a stimulant, with effects similar to caffeine.
  尼古丁是一种作用类似于咖啡因的兴奋剂。
• The shaking inside may be due to low blood sugar, too much caffeine or too many cigarettes
  心悸可能是由于低血糖、咖啡因过量或抽烟过多。
• I think I was affected by the caffeine.
  我想是受咖啡因的影响。
• Caffeine, saturated fats, processed sugars, and salt are known to be harmful for tinnitus patients.
  被称为是对耳鸣患者有害的咖啡因，饱和脂肪，加工的糖，和盐。
• As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.
  凭经验估计，一杯过滤咖啡约含80毫克咖啡因。