... get so much energy 有如此充沛的精力 Where can we get energy 我们从哪里能够得到能量 energy get 能源获取 ...
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And we can think about here we did get that energy for electron promotion that I mentioned before 2p where we moved the electron from the 2 s to the 2 p.
我们可以考虑,我们从哪里,获得了能量使电子,从2s激发到。
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