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
