Caffeine
[ ['kæfi:n] ]
公共 Public
n. 咖啡因, 咖啡碱\\n[化] 咖啡因; 咖啡碱
✅ 同义词
📖 牛津释义
caffeine
n[U]
stimulant drug found in tea leaves and coffee beans 咖啡硷; 咖啡因.
🗣️ 情景例句
What a thoughtful boy he is!
他是个多么体贴的男孩啊!
Would you please pass the salt?
请您递给我盐。
There are four seasons in the year here--spring, summer, autumn and winter.
这儿一年有四季--春、夏、秋、冬。