To test your standing posture, take the wall test.
用墙壁测试来看看你的站姿是否正确。
Aim for good posture in a neutral position, whether sitting or standing.
应该是这样：无论是坐着还是站着的时候，力求保持中立的良好姿势。
The posture when they are asleep is special, sometimes they sleep when they are standing.
犀牛睡觉的姿势很特殊，它们有时卧倒，也有时站着入睡。
I think few students agree with Mr Yang-standing at military posture is a rest.
我想很少人会赞成杨老师的话：站军姿是一种休息。
I think few students agree with Mr Yang-standing at military posture is a rest.
我想很少人会赞成杨老师的话：站军姿是一种休息。
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