There are a lot of them about one thousand billion of them and each neuron can be connected to around thousands, perhaps tens of thousands, other neurons.

他们大量存在,大约有上千亿,每个神经元都和其周围上千个,甚至上万个神经元相连接

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And the brain is a remarkably beautiful and complex structure involving cortex, the cortex has maybe over 50 billions neurons and each one is connected to a thousand others and so forth.

大脑的构造漂亮，复杂，让人惊叹,大脑有皮层，皮层中的神经元多大500亿之多,每个神经元都与数亿千计的其他神经元相连。

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