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caffeine是什么意思？

caffeine

英[?k?fi?n] 美[?k?fi?n]

n. [藥]咖啡因，咖啡堿，茶精（興奮劑）；

相關(guān)單詞 caffeinecould chloralcaffeine ethoxycaffeine hydroxycaffeine

例句

with most or all of the caffeine removed 把大部分乃至全部咖啡因都去掉了
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、咖啡因過(guò)量或抽煙過(guò)多。
Some power bars are loaded with carbohydrates or caffeine for quick jolts. 有些能量條中包含大量的碳水化合物和咖啡因,以達(dá)到快速提神的效果.
Avoid or limit caffeine - containing beverages such as coffee, tea and colas. 避免或者限制喝一些含咖啡因的飲料,如:咖啡, 茶,可樂(lè).
Here also is a growing market for caffeine free colas. 當(dāng)前不含咖啡因的可樂(lè)的市場(chǎng)正在逐步擴(kuò)大.
Diuresis dehumidification caffeine can improve and promote kidney function urine output. 利尿除濕咖啡因可提高排尿量,促進(jìn)腎臟機(jī)能.
Caffeine can cause palpitations and headaches. 咖啡因會(huì)引起心悸和頭痛。
As little as 50mg of caffeine can produce pharmacological effects. 僅僅50毫克的咖啡因就能產(chǎn)生藥理效果。
They appear appeal mainly to young people and are fueled mainly by caffein caffeine. 他們主要受到年輕人的喜愛(ài),而且原料主要是咖啡因.
The contents of caffeine, antipyrine and sodium salicylate in Satongfeng Injection were measured by HPLC. 采用HPLC法測(cè)定撒痛風(fēng)注射液中咖啡因、安替比林和水楊酸鈉的含量.

查看更多關(guān)于 “caffeine” 的例句

同義詞

caffeine的同義詞之：
stimulant

英語(yǔ)四級(jí)真題

Caffeine, a substance found in coffee and some soft drinks, is also a drug.
出自-2015年12月聽(tīng)力原文
The caffeine—the equivalent of two strong cups of coffee, was sufficient to reverse this effect, with some cyclists even displaying increased eye movement speeds.
2017年6月四級(jí)真題（第三套）閱讀 Section A
To find out, researchers gave 11 volunteer cyclists a carbohydrate?solution either with a moderate dose of caffeine, ?which is known to stimulate the central nervous system, or as a placebo without, during 3 hours of?cycling.
2017年6月四級(jí)真題（第三套）閱讀 Section A

英語(yǔ)六級(jí)真題

In West Africa, people have long chewed kola nuts as stimulants, because they contain caffeine that also occurs naturally in tea, coffee, and chocolate.
2017年12月六級(jí)真題（第一套）閱讀 Section C
So there could be less protein, more sugar and some additives you wouldn't expect, such as caffeine.
2019年12月六級(jí)真題（第二套）閱讀 Section B

柯林斯高階英漢雙解學(xué)習(xí)詞典釋義

N-UNCOUNT

咖啡因;咖啡堿

Caffeine is a chemical substance found in coffee, tea, and cocoa, which affects your brain and body and makes you more active.

英漢詞典釋義

n.
<化>咖啡因
with most or all of the caffeine removed 把大部分乃至全部咖啡因都去掉了

英英詞典釋義

Noun
1. a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects

行業(yè)詞典

醫(yī)學(xué)：〔USP〕咖啡因：無(wú)臭、苦味的白色粉末，化學(xué)式C8H10N4O2，一種黃嘌呤(參照xanthines)。溶解于水和乙醇，可以從咖啡、茶葉、瓜拉那(巴西可可)和巴拉圭茶(冬青茶)中獲得。咖啡因興奮中樞神經(jīng)系統(tǒng)，主要作用于大腦，有利尿作用；刺激橫紋肌；對(duì)心血管系統(tǒng)有多種作用，咖啡因用作中樞和呼吸興奮藥，用于解除頭痛，可口服給藥；咖啡因和苯甲酸鈉的混合水溶液，供腸道外注射使用；

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caffeine是什么意思？

caffeine