这位老师在她的网站上承诺，要帮助那些不懂如何穿高跟鞋的女性改善体态，减少背部疼痛，找到“走路时那种飘逸的感觉”。
On her website, the tutor promises to teach women teetering in high heels how to improve their posture, reduce back pain and "achieve that gliding feeling when walking".
玲珑、轻盈的体态在接触地面时起到了很大的缓冲作用。
Their small size and low body weight soften the impact as they make contact with the ground after falling from great heights.
总的来说，体态肥胖的受试者每周比正常体重的受试者少睡约1.8小时。
In general the fatter subjects slept about 1.8 hours a week less than those with normal weights.
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