we knew that the atom was electrically neutral.
原子是电中性的。
In the heart it turns out that the cells of the heart are electrically coupled together, so if an action potential moves down this cell it directly moves into the next cell.
在心脏中,事实证明,心脏细胞是电偶联的,所以如果动作电位在一个细胞中传递,那么直接就能传递给下个细胞
All membranes are electrically charged.
所有的膜都是带电的
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