Epitron
电子和π介子束碰撞系统
🗣️ 情景例句
What is the charge for that?
那要多少费用？
The best physicians are Dr. Diet, Dr. Quiet,and Dr. Merryman.
节食博士，静心博士，欢喜博士，三者都是最好的医师；饮食少，休息好，快乐多是却病延年之方。
Sometimes were go upstream to a favourite backwater, sometimes we have our party at the boathouse,
有时，我们溯流而上来到我们喜爱的回水河汊举办；有时在船坞举办。