So we can actually pop an electron or eject an electron from any single orbital that is occupied within the atom.

任何一个被占据轨道,打出一个电子,或者说发射出一个电子。

麻省理工公开课 - 化学原理课程节选

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

All right. So please raise your hand now if you think there'll be sufficient energy to eject electrons from the metal surface?

好的，如果你们认为,有足够的能量从金属表面,射出电子请举手？

麻省理工公开课 - 化学原理课程节选

"In a worst-case scenario, you could eject from a fighter jet, " says senior CAL flight instructor Chou Yu-sen, who once trained F-104 and T33 combat pilots.

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Armstrong's seemingly casual reaction to peril left his NASA colleagues in awe when, in May 1968, he picked exactly the right time to eject from a lunar landing simulator that had spun out of control.

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The 24-year-old completed just 200m of his heat before retiring, prompting the International Association of Athletics Federations (IAAF) to release a statement that appeared to eject him from the Games.

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