基础释义
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英英词典释义

福克斯词典 \ 英汉词典 \

caffein是什么意思？

caffein

英['kæfi:n] 美['kæfin]

n. 咖啡因，茶精（一种兴奋剂）；

相关单词 caffeine caffeinecould

例句

They appear appeal mainly to young people and are fueled mainly by caffein caffeine. 他们主要受到年轻人的喜爱,而且原料主要是咖啡因.

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英英词典释义

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

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