人类如同白鼠一样都可以在实验室里训练至害怕一种无害的刺激——一种声音或者颜色——同时给予电击即可。
Humans, like rats, can be trained in alaboratory to fear an innocuous stimulus—a sound or a color—by pairingit with a shock.
他答说：「我在乐园中听到了你的声音，就害怕起来，因为我赤身露体，遂躲藏了。」
And he said: I heard thy voice in paradise; and I was afraid, because I was naked, and I hid myself.
他说，我在园中听见你的声音，我就害怕。因为我赤身露体，我便藏了。
And he said, I heard thy voice in the garden, and I was afraid, because I was naked; and I hid myself.
那是飞行员在放下飞机起落架的声音。我们一定是就要着陆了。你害怕吗？
It is the pilot putting the wheel down. We must be coming into land. Are you frightened?
那是飞行员在放下飞机起落架的声音。我们一定是就要着陆了。你害怕吗？
It is the pilot putting the wheel down. We must be coming into land. Are you frightened?
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