因为这些事物都是未成对的，我们已经发现在 Stern-Gerlach实验中，未成对电子扮演怎样一个角色了。
Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.
今天的最后，你有些未成对电子。
它们的未成对电子使原子成为小型的永磁体，它们沿外磁场排列，并因此增强外磁场。
Their unpaired electrons make the atoms behave like tiny permanent magnets that align with and strengthen an applied magnetic field.
当原子从光吸收能量，一个电子可移动到一个更高的能量轨道，留下一个未成对电子。
When the atom absorbs energy from light, one electron may move to a higher energy orbit, leaving an unpaired electron.
这些曲折的原子薄片可以稳定未成对的电子，避免它们彼此产生反应。
The convoluted sheets would stabilize these unpaired electronsbyprotecting them from reacting with one another.
这些曲折的原子薄片可以稳定未成对的电子，避免它们彼此产生反应。
The convoluted sheets would stabilize these unpaired electronsbyprotecting them from reacting with one another.
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