cross legs翘二郎腿; lean back往后倚靠; stretch伸懒腰; lie prostrate俯卧; huddle蜷缩; swing摇摆; kneel跪着 squat蹲着; bend down弯腰; hunch forward背往前驼; tiptoe踮起脚; handstand倒立; cartwheel侧手翻; somersault翻跟头; poise oneself保持平衡
