For this exercise , simply try to relax while you extend , and then , begin your pull with the same relaxed hand 通过这个练习，你可以试着在伸展的时候放松，然后在你开始划水的同时让手也保持同样放松。
When the thigh of the lead leg drives up to a position parallel to the track , momentum is transferred to the lower leg , which extends naturally 当起跨腿的大腿部分平行于跨栏时，动力转向自然伸展的小腿。
People who spend long hours sitting or whose jobs are sedentary in nature will be benefited from doing mobility and stretching exercises 需要长期坐著工作及缺乏活动的人士，特别需要活络和伸展的健体运动。
Soil reinforcement . backfilled structures reinforced with quasi - inextensible and flexible reinforcing strips or sheets . part 0 : design 土壤加固.类似不能伸展的和柔性带材和片材增强的覆土结构.第0部分:设计
Kevin ： warm - up … hmmm … now , that would be a good idea ! i wouldn ' t want to pull a muscle or something . i think i ' ll do some stretching 暖身喔. . .嗯. . .好主意！好吧，我可不想拉伤肌肉之类的。我想来做点伸展的运动。
A spread - eagle as it is called in heraldry - features a flying bird shown from below , with its wings , tail , and legs outstretched 一只纹章似的展翼鹰被召唤过来? ?象征着一只鸟儿从下而上飞来，连同着它的双翼，尾巴和伸展的双腿。
Hands should enter the water at an almost full extension of the arm and finish as the rotation of the body drives the hand through the completion of the stroke 手臂入水位置应该是胳膊可以伸展的最大位置，出水位置也是手臂划水的最远位置。
Soil reinforcement - backfilled structures reinforced with extensible and flexible reinforcing strips - part 1 : pull out test of reinforcing strip by loading step 土壤加固.用可伸展的软增强带材加固回填结构.第1部分:用荷载梯进行增强带材的固着力试验
The first belt stretches from qinghe , wenquan to the nw direction and the second extends from nankou , changping to the ene direction 一条从清河、温泉一带向北西方向伸展，到怀来县以北的黄土窑一带；另一条是自南口、昌平一带向北东东向伸展的活动断裂带。
At most , body rotation is in the vicinity of 45 degrees to either side and the length of stretch forward is determined by the amount of time available to execute the stretch 至多，身体转动是在每一侧的45度时，而向前伸展的长度则是由伸展完成的时间所定。
