vertebral line 中文意思是什麼
vertebral line
解釋
脊椎線-
In the laying down position during sleep, we can keep the supine or side position according to our habits but we have to ensure the vertebral column is aligned on a straight line, without any curvature
睡覺時,可以仰臥或側臥,視人們的習慣而定,但要保證脊椎睡得平直,不彎曲。
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