Caffein
n. 咖啡因；茶精（兴奋剂）
✅ 同义词
🗣️ 情景例句
Could you tell me a little about your background?
能否请您简短地谈一下贵公司的背景？
Please proceed with your presentation.
请开始你的简报。
Why did you run away from me?
你为什么从我身边跑开？