caffeine
美['kæfiːn] 英['kæfiːn]
n. 咖啡因
详细释义
n.(名词)- 【化】咖啡因
- 咖啡碱
- 三甲黄嘌呤
- 茶精（兴奋剂）
英英释义
Noun- a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
例句
用作名词(n.)- Now there are cola drinks without caffeine.现在也有不含咖啡因的可乐类饮料。
- I'm trying to cut down on sugar and caffeine.我决定减少对糖和咖啡因的摄取量。
- Caffeine makes people nervous and unsleeping.咖啡因是人们紧张和难以入睡。
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