At the hospital, doctors performed an emergency operation to repair broken bones in his spine and put it back in the correct position.
在医院，医生给他做了紧急手术，修补他脊柱中的碎骨并将其复位。
The correct posture should make spine straight and keep your shoulders relaxed.
正确的坐姿应该：腰背挺直，肩放松。
If you are at a desk all day, it is good to sit on one of these balls for an hour or so, as it puts your spine into the correct curve.
如果在桌子前坐了一整天，像这样在球上坐一小时左右，使脊柱得到正常弯曲，是非常有好处的。
If you are at a desk all day, it is good to sit on one of these balls for an hour or so, as it puts your spine into the correct curve.
如果在桌子前坐了一整天，像这样在球上坐一小时左右，使脊柱得到正常弯曲，是非常有好处的。
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