Most competitive swimmers choose the front crawl during freestyle competitions, as this style provides the greatest speed.
但是在自由泳比赛中多数选手会选择爬泳，因为这种泳姿速度相对较快。
While other styles like the breaststroke, front crawl, or backstroke can be swum easily even by beginners, the butterfly is a more difficult stroke that requires good technique to be feasible.
初学者也许能很容易地掌握蛙泳、自由泳或仰泳，但蝶泳却难得多，对游泳者的技术要求很高。
Guide to front crawl for beginners - Learn a few techniques from our expert swimming teacher, to build up your confidence in the water and your knowledge of the front crawl swimming stroke itself.
新手入门级的自由泳指导-向专业的游泳教练学习一些技巧，一方面可以自立下水的自信心，另一方面也掌握一些关于自由泳的知识。
A Guide to front crawl for beginners - Learn a few techniques from our expert swimming teacher, to build up your confidence in the water and your knowledge of the front crawl swimming stroke itself.
新手入门级的自由泳指导-向专业的游泳教练学习一些技巧，一方面可以自立下水的自信心，另一方面也掌握一些关于自由泳的知识。
Gus said he had to go check out a smell in the crawl space.He set a bottle in front of Rodney, along with a pen and cocktail napkin.
格斯说他要去核查一下管线槽隙的气味，然后放了一瓶酒、一支钢笔以及一块鸡尾酒餐巾纸在罗德尼面前。
Gus said he had to go check out a smell in the crawl space. He set a bottle in front of Rodney along with a pen and cocktail napkin.
格斯说他要去核查一下管线槽隙的气味，然后放了一瓶酒、一支钢笔以及一块鸡尾酒餐巾纸在罗德尼面前。
Gus said he had to go check out a smell in the crawl space. He set a bottle in front of Rodney, along with a pen and cocktail napkin.
格斯说他要去核查一下管线槽隙的气味，然后放了一瓶酒、一支钢笔以及一块鸡尾酒餐巾纸在罗德尼面前。
Millions of juveniles crawl up to 500 metres a day, munching everything in front of them, in bands that stretch for kilometres.
数百万只蝗虫绵延数千米，每天爬行500米，咀嚼一切挡在它们面前的东西。
Millions of juveniles crawl up to 500 metres a day, munching everything in front of them, in bands that stretch for kilometres.
数百万只蝗虫绵延数千米，每天爬行500米，咀嚼一切挡在它们面前的东西。
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