caffeine
音标发音
- 英式音标 [ˈkæf.iːn]
- 美式音标 [kæˈfin, ˈkæfˌin, ˈkæfiɪn]
- 国际音标 ['kæfi:n]
- 英式发音
- 美式发音
基本解释
- n. [有化][药] 咖啡因；茶精（兴奋剂）
同根派生
- adj性质的同根词
- caffeinic：咖啡酸的。
- n性质的同根词
- caffeinism：慢性咖啡中毒，[内科]咖啡碱中毒。
英汉例句
- As little as 50mg of caffeine can produce pharmacological effects.
仅仅50毫克的咖啡因就能产生药理效果。 - The caffeine in coffee can jangle the nerves.
咖啡中的咖啡因会使神经紧张。 - Caffeine can cause palpitations and headaches.
咖啡因会引起心悸和头痛。 - The caffeine in coffee can jangle the nerves.
咖啡中的咖啡因会使神经紧张。 - 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。
词组短语
- anhydrous caffeine 无水咖啡因
- Caffeine Clearance 咖啡因清除率
- Caffeine sodiobenzoate 安息香酸钠咖啡碱
- caffeine phosphate 磷酸咖啡因
- caffeine test 咖啡因试验
短语
英英字典
- a chemical, found for example in tea and coffee, that is a stimulant (= something that makes people more active)
- Caffeine is a chemical substance found in coffee, tea, and cocoa, which affects your brain and body and makes you more active.
剑桥英英字典
柯林斯英英字典
专业释义
- 咖啡因
- 咖啡碱
- 咖啡果
- 咖啡困
- 咖啡碱
The isolation of the SAM gene established a good foundation for further study on stress physiology，senescence physiology and caffeine biosynthesis in tea plant.
该基因的克隆为今后进一步开展茶树逆境生理、衰老生理以及咖啡碱代谢的调控研究奠定了基础。 - 咖啡因
With the improvement of living conditions, people pay more and more attention to the health. Lower caffeine tea products are fixed people’s eyes on.
随着人民生活条件的好转,对健康的关注,低咖啡因茶产品开发就受到了瞩目。机械工程
- 咖啡因
Objective The aim was to establish a rapid method by HPLC for determination of caffeine concentration in tea.
目的建立HPLC法快速测定茶叶中的咖啡因。化学
- 咖啡碱
- 咖啡困
- 咖啡果
- 咖啡检
- 咖啡因