caffeine
咖啡因
常用释义
英音[ ˈkæfiːn ]
美音[ kæˈfiːn ]
基本释义
- n. [有化][药] 咖啡因；茶精（兴奋剂）
例句
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1·Caffeine can cause palpitations and headaches.咖啡因能引起心悸和头痛。来源: 《柯林斯英汉双解大词典》
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2·Tea contains caffeine. It's bad for your health.茶含有咖啡因，对你的健康不利。来源: 《柯林斯英汉双解大词典》
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3·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。来源: 《牛津词典》
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4·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。来源: 《柯林斯英汉双解大词典》
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5·Caffeine is the active constituent of drinks such as tea and coffee.咖啡因是茶和咖啡这类饮品的活性成分。来源: 《柯林斯英汉双解大词典》
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6·Caffeine, a substance found in coffee and some soft drinks, is also a drug.咖啡因，咖啡和一些不含酒精的饮料中的一种物质，也是一种毒品。
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7·There could be less protein, more sugar and some additives you wouldn't expect, such as caffeine.可能会有更少的蛋白质，更多的糖和一些你意想不到的添加剂，比如咖啡因。
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8·Caffeine, the stimulant in coffee, has been called "the most widely used psychoactive substance on Earth".咖啡中的咖啡因因被称为“地球上使用最广泛的精神活性物质”。
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9·Theophylline, a close structural relative of caffeine and the major stimulant in tea, was one of the most effective compounds in both regards.茶碱是咖啡因的近亲，也是茶中的主要兴奋剂，它在这两方面都是最有效的化合物之一。
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10·In West Africa, people have long chewed kola nuts as stimulants, because they contain caffeine that also occurs naturally in tea, coffee, and chocolate.在西非，人们长期以来都咀嚼可乐果作为兴奋剂，因为它们含有在茶、咖啡和巧克力中天然存在的咖啡因。
同根词
词根：
caffeine
caffeinic
adj
咖啡酸的
caffeinism
n
慢性咖啡中毒，[内科] 咖啡碱中毒