caffeine
/kæˈfin/
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n. 咖啡因
- Many office workers cut back on caffeine in the afternoon so they can sleep better at night. 許多上班族下午會少攝取咖啡因，晚上才睡得好。
其他意思
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n. 咖啡因, 咖啡鹼
Caffeine is a chemical substance found in coffee, tea, and cocoa, which affects your brain and body and makes you more active.