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
It's small,
它小小的，
Please try to be congenial and welcome the guests with a small.
请用笑脸愉快地迎接客人吧。
This material looks nice. And so does this one.
这种料子看来不错，这个也很好。