ion emission

例句：

1. 1.The electrons in the atoms are emitting light as they move through the gas.
   原子中的电子在通过气体时发射光。
2. 2.The scientist discovered a new way to produce energy by ion emission.
   科学家发现了一种新的通过离子发射产生能量的方法。
3. 3. In the process of ion emission, the atoms lose energy and become more energetic.
   在离子发射过程中，原子会失去能量并变得更加活跃。