参考译文贝德福德连续3次夺得全美游泳锦标赛女子100米仰泳冠军称号。她成功的秘诀是刻苦训练加上精湛的仰泳技术。贝德福德坚信,只有精雕细刻才能练就出精湛的技术,所以,她每天都集中精力于技术上。她仰泳无敌于美国的原因如下图所示。·移臂时,手掌和腕部充分放松。·为减少阻力并最大限度发挥臂部划水力 Bedford won the National Swimming Championship women ’s 100m backstroke title three times in a row. Her secret of success is hard training with superb backstroke technique. Bedford is convinced that only by carving skill to train a superb technology, so she focused on technology every day. Her backstroke invincibility in the United States as shown below. · When moving the arm, fully relax the palm and wrist. · To reduce drag and maximize arm stroke