Whether you walk across the stage or stand behind a lectern, try to maintain good posture.
无论你是在舞台上走动或站在讲台后面，尽量保持好的姿势。
Why do humans walk on two legs? Our ancestors evolved an upright posture well before our large brains or stone tools even appeared.
在我们的大脑进化和石器工具出现以前，我们的祖先就已经进化成为了直立的姿势。
Today Mrs. K. is able to walk 300 meters with the help of a rollator walker (or walking frame), but due to her severe posture control deficit she still needs the support of an auxiliary person.
现在K女士在带轮的助行器帮助下能步行300米，但由于她的姿态控制训练不足，她仍然需要旁人的辅助。
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