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
No...I can't remember taking pictures of people exercising.
没有 ……我好像没有拍过人们练健身操的照片。
It's a piece of cake.
这很容易。
We're going to play football.
我们打算踢足球。