While at work, sit upright, with a straight-back, in your chair.
工作时可以坐直，坐在椅子上要挺直腰杆。
Sit back in a comfortable chair, feet flat upon the ground and uncrossed.
坐在一张舒适的椅子上，双脚平放在地面上。
Move the hips back as if you were going to sit in a chair.
如同要坐在椅子上一样移动髋关节。
Move the hips back as if you were going to sit in a chair.
如同要坐在椅子上一样移动髋关节。
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