半躺著腳部抬高，上半身放低，心髒可以用較小的力量完成血液循環，躺平了估計還會低一些？

來源: Shubin 於 2023-03-19 16:56:59 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.