Caffein
n. 咖啡因；茶精（兴奋剂）
✅ 同义词
🗣️ 情景例句
I'm sorry, I didn't get your name.
对不起，我没听清楚你的名字。
When do you expect to have this ready for sale?
你希望此种商品何时上市出售呢？
For a whole week I did not smoke at all and during this time, my wife suffered terribly.
整整一个星期我根本没有吸烟。在此期间，我妻子吃尽了苦头。