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 just takes time to feel comfortable in a new place.
总是需要一段时间才能适应一个新的环境。
How are you today?
今天还好吗？
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。