室内和户外攀岩运动都是要求相当苛严的，而且像其他运动一样，需要练习才能做好。
Indoor and outdoor rock climbing are both extremely demanding and, like anything else, require practice, to get good at.
当你年龄越大时，你就越需要一些有氧运动来对你的体能训练，韧性练习和保持体重运动，这些都可能帮助你保持骨骼的强壮。
The older you get, the more you need to supplement aerobic exercise with strength training, flexibility exercises, and weight bearing activities, which help you keep your bones strong.
以后，我需要练习协调手与脚的运动，呼吸和四肢的动作。
In future, I need to practice how to coordinate the movement of hands and legs, the action of breath and limbs.
只要练习过瑜伽，你根本不需要那些运动专家和生理学家来让你信服伸展的益处。
If you're already practicing yoga, you don't need exercise scientists and physiologists to convince you of the benefits of stretching.
任何锻炼项目都需要在有氧运动和负重练习间取得一个平衡。
Any exercise program needs a balance of both aerobic and resistance exercises.
为满足一些工作、运动以及休闲活动中的特别要求，需要做一些额外的练习。
Additional exercises were given, tailored to specific demands in work, sports, and leisure activities.
攀登不是一项肌肉型运动，(话说攀岩运动员都挺瘦的说)它需要坚韧的意志和意愿，从而通过练习掌握一系列技巧。
Climbing is not a sport that requires tremendous muscular strength; it demands mental toughness and the willingness to practice hard to master a set of skills.
需要大量的练习才能真正擅长于这项体育运动。
马尔科姆·格拉·德威尔在他的书《Outliers》提到，艺术家、运动员或者任何想获得成功的人，在变得真正优秀之前都需要练习10000小时。
Malcolm Glad well, in his book Outliers, said those artists, athletes and anyone who wants to be successful, need 10,000 hours of practice to become really great.
另外，运动员在开始任何蝶泳练习之前需要做一下身体状况的检查；！
Do for short distances. Check medical conditions of swimmers before practicing any butterfly drills.
马尔科姆·格拉德威尔在他的书《Outliers》提到，艺术家、运动员或者任何想获得成功的人，在变得真正优秀之前都需要练习10000小时。
Malcolm Gladwell, in his book Outliers, said that artists, athletes and anyone who wants to be successful, need 10,000 hours of practice to become really great.
马尔科姆·格拉德威尔在他的书《Outliers》提到，艺术家、运动员或者任何想获得成功的人，在变得真正优秀之前都需要练习10000小时。
Malcolm Gladwell, in his book Outliers, said that artists, athletes and anyone who wants to be successful, need 10,000 hours of practice to become really great.
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