Epitron
电子和π介子束碰撞系统
🗣️ 情景例句
Are you kidding? Relax?
在开玩笑吗？ 放轻松？
What's done can't be undone.
无可挽回。 泼水难收？
There are plenty of interesting places to visit.
那儿有很多游览胜地。