Piontherapy
π介子治疗
🗣️ 情景例句
That's the way it goes.
现实就是这样。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？