"筋“是肌肉群/束的起點和止點，固定在骨頭上越過關節麵，肌肉壯則筋強

來源: coach1960 於 2017-12-20 11:21:30 [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.