许多哺乳动物的奶含有大麻素,这种物质可以刺激大脑中的某些受体。
The milk of many mammals contains cannabinoids, substances that are known to stimulate certain receptors in the brain.
受惊吓时会让你的大脑充满一些健康的化学物质,能刺激你情绪,让你十分兴奋。
Being frightened makes your brain flood with healthy chemical substances that excite your mood and release feelings of great excitement.
另一种联系可能会涉及到大脑温度的变化和神经递质(传递神经冲动的物质)的释放。
Other links may involve changes in brain temperature and the release of neurotransmitters (substances that transmit nerve impulses.)
People need fat, and they need sugar, and they need variety--at least what their brain thinks.
人类需要脂肪和糖类,需要各种物质,至少大脑是这么认为的
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