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caffein的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
caffein的用法和样例：
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。
