Use your leg muscles - not your back - to lift the object.
用你的腿部肌肉——不是背部——去抬起物品。
Please lift up your leg (hand).
请抬起腿(手)。
Lift your left leg off the floor and bring it up toward your right leg.
再向上抬起左腿，尽量使其靠近右腿。
Lift up your left leg and touch it with your right hand.
抬起你的左腿用你的右手去触摸它。
Lift up your left leg and touch it with your right hand.
抬起你的左腿用你的右手去触摸它。
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