The elderly grow wobbly in part because their nervous systems become less sensitive to the changes in foot pressure whenever they lean one way or another.
上了年纪的人身体逐渐出现摇摆，部份原因是他们将身体倾向一侧时，其神经系统对于足部压力的变化变得较不敏感。
The elderly grow wobbly in part because their nervous systems become less sensitive to the changes in foot pressure whenever they lean one way or another.
上了年纪的人身体逐渐出现摇摆，部份原因是他们将身体倾向一侧时，其神经系统对于足部压力的变化变得较不敏感。
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