莉兹回到厨房，悠懒地伸了伸腰。
他打了个哈欠，伸了伸腰。
功能：拉伸腰部韧带，消除下肢和腰部疲劳。
Functions: To stretch the ligament of legs, eliminate tiredness of lower limbs and waist.
经济舱的乘客三人挤在狭窄的一行座位，我则可以伸腰躺在宽敞的皮椅上。
While economy clients squished three into a narrow row, I reclined in a wide leather seat.
那个新房客把一个非常漂亮的轮式名牌手提箱重重地放在木质台阶上，然后停下来，一只手支在后腰处，伸了伸腰。
A very nice wheeled designer suitcase thumped up the wooden steps. The new tenant paused to stretch her lower back, placing a hand there for support.
那个新房客把一个非常漂亮的轮式名牌手提箱重重地放在木质台阶上，然后停下来，一只手支在后腰处，伸了伸腰。
A very nice wheeled designer suitcase thumped up the wooden steps. The new tenant paused to stretch her lower back, placing a hand there for support.
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