短语词组短語Stretch you back 身印式stretch your back 拉直背部immediate stretch -back rate 即時廻縮率Immediate stretch back ratio 即時廻縮率stretch back to 起源於back stretch 非終點直道stretch out and draw back 伸出和縮進;伸縮Feet to Back Stretch 伸足背後伸 返回 stretch back