Nicotine also binds to receptors on skeletal muscles causing relaxed muscle tone.

尼古丁还可与骨骼肌中的受体结合，导致肌张力下降。

Your motor cortex is jumping all over the place, but your brainstem is blocking those messages, leaving your muscles so relaxed that you're basically paralyzed.

你的运动皮质非常活跃，但脑干却阻碍这些信息，使你的肌肉放松，你几乎不能动。