单词
caffeine
读音
kæˈfiːn
美式
英式
词根
无
释义
n. [有化][药] 咖啡因；茶精（兴奋剂）
例句
Caffeine can cause palpitations and headaches.
咖啡因能引起心悸和头痛。
Tea contains caffeine. It's bad for your health.
茶含有咖啡因，对你的健康不利。
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。
Caffeine can cause palpitations and headaches.
咖啡因能引起心悸和头痛。
Tea contains caffeine. It's bad for your health.
茶含有咖啡因，对你的健康不利。
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。
强化记忆
无
看视频学发音
even though they only contain a diuretic, a pain relieverand caffeine.Now, far be it from me to argue with the magical powers of caffeine,
(Music)Let's start with caffeine.Caffeine is in a class of drugs
But there are at least two additional,hidden features of caffeinethat some people may not be aware of.
when you run a race,drink too much caffeineor catch the eye of the one you love.
The first is the duration of action of caffeine.Caffeine, for the average adult,will have what we call a half-life
所属分类
大学,出国,专升本-自考,其他
所在词典
