caffein

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caffein是什么意思
英式音标:['kæfi:n]
美式音标:['kæfin]
词汇分类:有本单词书(高中学习版),学生实用英语高考必备,英語進階字彙完全攻略 Advanced Vocabulary Builder for Exams,BEC中级单词书
词义:

n.

咖啡因,茶精(一种兴奋剂);

英英释义

caffein[ 'kæfi:n ]

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

同义词:caffeine

用法:

双语例句

用作名词(n.)

They suggested better labeling with the amount of caffein caffeine and other ingredients clearly listed on the drink.
他们建议在饮料上更好的标注咖啡因含量和其他成分。

权威例句

Caffein

Caffein

The cytological effect of caffein.

Improving penetrating capacity of spermatozoa with poor motility by addition of caffein at coincubation with zona-free hamster ova

Modification of the radiosensitivity of barley seed by post-treatment with caffein. IV. Effect of the moisture content of seed and s...

Development of an in vitro modified skin absorption test for the investigation of the follicular penetration pathway of caffeine.

Brief communication: Enhancement of the antitumor effect of 1,-3-bis(2-chloroethyl)-1-nitrosourea by chlorpromazine and caffeine.

Dual inhibition of monoamine oxidase B and antagonism of the adenosine A(2A) receptor by (E,E)-8-(4-phenylbutadien-1-yl)caffeine ana...

Digital image processing of optical density wave propagation in Dictyostelium discoideum and analysis of the effects of caffeine and...

A phase III comparison trial of streptozotocin, mitomycin, and 5-fluorouracil with cisplatin, cytosine arabinoside, and caffeine in ...
同义词:thein
造句:

1. Where's the doggone key?

这该死的钥匙上哪儿去了?

来自《权威词典》

2. I'm trying to figure out where he got all those doggone black jokes.

你说他是从哪知道那些可憎的笑话的?

来自电影对白

3. Doggone ! Why did you beat my pet dog?

混 蛋,你为什么打我的爱犬?

来自互联网

4. That was a doggone insult.

那是一个可恶的侮辱.

来自互联网

5. I got another doggone traffic ticket.

又给了我一张该死的交通违章罚款通知单.

来自互联网

[ doggone 造句 ]

caffein

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