双手紧扣，保持这个坐姿至少30秒。
Hold this seated posture with the hands clasped for at least 30 seconds.
他双手紧扣，背在身后，在走廊里踱来踱去。
双脚着地平稳站立，双手紧扣于后背并将肩胛骨向后推挤做扩胸运动。
Stand evenly on both feet, clasp hands behind your back and squeeze shoulder blades together to open your chest.
应用推荐