Caffein
n. 咖啡因；茶精（兴奋剂）
✅ 同义词
🗣️ 情景例句
Before the barbeque let's sharpen all the knives.
烧烤之前先把刀磨一磨。
A little fire is quickly trodden out.
小洞易补。
It will be about the same as it was last time.
大概和上回的订量一样。