caffeine
🇬🇧/ˈkæfiːn/ 🇺🇸/kæˈfiːn/📚 9728 146 1Caffeine is a chemical substance found in coffee, tea, and cocoa, which affects your brain and body and makes you more active. 咖啡因
noun [物质名词][有化][药] 咖啡因；茶精（兴奋剂）
Tea contains caffeine. It's bad for your health.
茶含有咖啡因，对你的健康不利。
- caffeine 出现在下面的课文中
- Lesson 041&42 Penny’s bag caffeine 名词: 咖啡因
单词造句:
- 网友用“Caffeine”造句精选
- Caffeine can cause palpitations and headaches. 咖啡因能引起心悸和头痛。
- It is a well-known fact that caffeine is a stimulant. 咖啡因是兴奋剂，这是人所共知的事实。