• So, let's go back to the notes, and let's fill these in, seven electrons. Another way you could have known them was to look at Lewis' notes here, where if look at this box carefully you see there are seven dots around the cube, so there are his seven valence electrons.

    那么,让我们回到讲义,把它们填进去,七个电子,还有另外一种方法可以知道这些,那就是看看路易斯的讲义这里,大家可以看到这个立方体周围有七个点,因此有七个价电子。

    麻省理工公开课 - 化学原理课程节选

  • By the way, if we go back to this, another big part of disease--chronic disease that's related to diet, is the physical activity part of the equation.

    顺便一说 我们回过去看,大多数疾病,与饮食有关的慢性疾病,与一个关于肢体运动的方程式有关

    耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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