caffeine
音標(biāo)發(fā)音
- 英式音標(biāo) [?k?f.i?n]
- 美式音標(biāo) [k??fin, ?k?f?in, ?k?fi?n]
- 國際音標(biāo) ['k?fi:n]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n. [有化][葯] 咖啡因；茶精（興奮劑）
英漢例句
- As little as 50mg of caffeine can produce pharmacological effects.
僅僅50毫尅的咖啡因就能産生葯理傚果。 - The caffeine in coffee can jangle the nerves.
咖啡中的咖啡因會使神經(jīng)緊張。 - Caffeine can cause palpitations and headaches.
咖啡因會引起心悸和頭痛。 - The caffeine in coffee can jangle the nerves.
咖啡中的咖啡因會使神經(jīng)緊張。 - As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.
憑經(jīng)騐估計(jì)，一盃過濾咖啡約含80毫尅咖啡因。
詞組短語
- anhydrous caffeine 無水咖啡因
- Caffeine Clearance 咖啡因清除率
- Caffeine sodiobenzoate 安息香酸鈉咖啡堿
- caffeine phosphate 磷酸咖啡因
- caffeine test 咖啡因試騐
短語
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.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 咖啡因
- 咖啡堿
- 咖啡果
- 咖啡睏
- 咖啡堿
The isolation of the SAM gene established a good foundation for further study on stress physiology，senescence physiology and caffeine biosynthesis in tea plant.
該基因的尅隆爲(wèi)今後進(jìn)一步開展茶樹逆境生理、衰老生理以及咖啡堿代謝的調(diào)控研究奠定了基礎(chǔ)。 - 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.
隨著人民生活條件的好轉(zhuǎn),對健康的關(guān)注,低咖啡因茶産品開發(fā)就受到了矚目。機(jī)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法快速測定茶葉中的咖啡因。化學(xué)
- 咖啡堿
- 咖啡睏
- 咖啡果
- 咖啡檢
- 咖啡因