Notice that the yellow fields inside of the heart appear paler than the fields forming the contour of the heart, which appear to be a darker shade of yellow/orange.

你可以看到图中心形里边的黄色比构成心形轮廓的颜色更浅一些，心的轮廓好像是颜色更深的黄或橘黄。

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In the patter of rain, from my inside heart came the laughter of an angel, not the Satan.

夜雨飘洒之时，我的内心回响起一阵微笑之声，是天使而不是魔鬼。

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Sometimes they gather inside the limbic system of the brain and in certain corners of the heart.

有时它们聚集在大脑的边缘系统和心脏的某些角落。

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The muscles of the heart have to give blood themselves so they have blood vessels inside.

心肌自身也需要血液,所以在这些肌肉内部也有血管

耶鲁公开课 - 生物医学工程探索课程节选

It turns out the electrical potential or electricity that you can measure on the surface of the body reflects things that are happening deeper inside like the beating of your heart.

人们已经证明在体表测量得到的电势能,或者电信号,能够表征,像心跳这样,身体较深处的变化

耶鲁公开课 - 生物医学工程探索课程节选

Lastly, up here, is a picture of a much smaller device, this is actually an artificial heart valve that is made of plastics and metal and can replace the valve inside your heart.

最后,在上面这里,这张图片是一个相对较小的装置,这实际上是一个人工心脏瓣膜,由塑料和金属制成,可以取代人的心脏瓣膜

耶鲁公开课 - 生物医学工程探索课程节选

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