Pixe
[化] 质子激发X射线发射分析
🗣️ 情景例句
Excuse me, but I know you from somewhere.
打扰一下，我好像在什么地方见过你。
Who is the president of this republic?
谁是这共和国的总统？
They celebrated his birthday with a dance party.
也们举办舞会来祝贺他的生日。