This would compare favourably with spinal fusion - a major surgical procedure with considerable recovery time for the patient , resulting in a significant loss of mobility at the fused and adjacent discs 这就有利于与脊柱融合术与主要的手术操作对于患者恢复所需要的时间相比较，还有导致融合和邻近的圆盘丧失活动力之间的比较。
Still , know that bees are especially active on hot days , build their hives in protected environments ( e . g . under roofs and in alcoves ) , and swarm to relocate four or five times a year , from march through november 虽然我们知道蜜蜂在夏季的活动力特别强盛，他们喜欢在有遮蔽的地方筑巢（如石缝中或天花板下） ，从三月至十一月也会有四到五次的集体迁徙行为。
One exceptionally brilliant and dynamic spirit was just entering his mother s womb . he had chosen to enter this world mentally handicapped . he was very excited about this opportunity and was aware of the growth he and his parents would achieve 一个非常聪明且具有活动力的灵魂正进入他母亲的子宫中，他选择在世上做个心智残障者，他很兴奋能拥有这个机会，而且也明白他和他的父母所将获得的成长。
The recent baby hand eye starts to coordinate , the small hand and feet moving force is more and more strong , can play with the small hand , also starts to want to stand up from failure moves ; the foreign sound response was keener ; chirp mutters the start study pronunciation 最近宝宝手眼开始协调，小手小脚的活动力越来越强，会玩弄小手，也开始想翻身动一动；对外界声音反应较灵敏了；咿咿啊啊的喃喃自语中开始学发音。
More important is : the central nervous just of mobile body is mixed in the neck of human body back , central nervous from vertebral outspread all the time to the whole body , once neck and back are oppressed , the vivid motive force that can allow the body naturally becomes poor 更重要的是：活动身体的中枢神经恰恰就在人体的脖子和背部，中枢神经从脊椎一直延伸到全身，一旦脖子和背部受到压迫，自然而然地就会让身体的活动力变差。
In november 1993 , president clinton further elaborated on our body of national strategy , in light of extensive assessments that concluded that the danger of illicit drugs to the american people continued to exist and evolve , but that in the post - cold war reality of tighter budgets , emerging democracies , and accelerating international trade and communications , new approaches were essential 事实上，美国持续的成长美国公司的活动力，及美国令人刮目相看的创新能力与领导群伦迈向廿一世纪的实力，已成为这十年来美国经济的表徵。美国公司积极扩展在东亚的市场。美国与此地区的贸易占美国对全球贸易的三分之一强，且一直在快速成长中。
Bigger steps may hurt your knees . walking offers both biological and psychological benefits . for instance , it helps us to unwind , resist depression , become keener observers of our surroundings , lose weight , increase the good cholesterol in the blood , minimize the risk of fractures in people with osteoporosis , lower high blood pressure , reduce the risk of complications from diabetes , and improve the flexibility of arthritic joints 走路除有益生理之外，还有一些心理层面的好处，如让你减轻压力对抗忧郁使你更能看清周围的事物等，走路也能减肥，还会增加你血中好的胆固醇，也会减少骨质疏松者发生骨折的机率，会降低血压，会减少糖尿病患出现合并症的机率，以及增加关节炎病人活动力等等。
