自由电子 [物] free electron
- 并非所有发光的都是金子,但是要发光必须有自由电子。
All that glitters is not gold, but it must have free electrons. - 但是我们看到如果,我们有一个自由电子,就像虚线所示那样,那将会是一个较高的,不够稳定的能量。
But we see if we have a free electron, as we do in this dotted line here, that's going to be a higher energy that's less stable. - 这就是自由电子。
This represents the free electron.
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