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单词 caffein
释义 caf·fein 英'kæfiːn美'kæfiːn
基本英英近义反义例句
n.咖啡因⁸⁰;茶精兴奋剂=caffeine²⁰.

Noun:
a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects近义词 caffeine咖啡因
用作名词They suggested better labeling with the amount ofcaffeincaffeine 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。
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