In dream sleep, the animal is powerfully immobilized and remarkably unresponsive to external stimuli.
In dream sleep, the animal is powerfully immobilized and remarkably unresponsive to external stimuli.
在有梦的睡眠中，动物根本不能动弹而且对外界刺激没有反应。
In dream sleep, the animal is powerfully immobilized and remarkably unresponsive to external stimuli.
在有梦的睡眠中，动物根本不能动弹而且对外界刺激没有反应。