例如，人的大脑就是依赖电脉冲释放出依附于神经传输体的钙离子，然后依次地向神经系统的其余部分发出信号。
Human brains, for example, rely on electrical impulses to release calcium ions that bind to neurotransmitters that, in turn, communicate with the rest of the nervous system.
当黑体变冷的时候，在一定的温度以下，它就不会再发出可见光而是放出红外光子。
When a black body cools down, at some point it no longer radiates light in the visible spectrum, giving off infrared photons instead.
这“区区一只狗”激发出我内在的善心，把我从专注于自我的思绪和当天的烦恼中解放出来。
"Just a dog" brings out what's good in me and diverts my thoughts away from myself and the worries of the day.
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