During his seven-year stint as a scout for the New York Yankees, David C. Cook watched many young prospects fail to make the transition from the aluminum baseball bats they grew up with to the traditional wooden bats the pros use. "Kids who learned to hit with aluminum bats have a hard time swinging a wood bat," he said. "If a player doesn't know how to use a wood bat by the time he gets signed to the major or minor leagues, the chances of him making it are one in a hundred."
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机译：大卫·库克（David C. Cook）在纽约洋基队（New York Yankees）担任球探的七年期间，看到许多年轻的前景未能从他们长大的铝制棒球棒过渡到专业人士使用的传统木棒。他说：“学会用铝棒击打的孩子很难摇动木棒。” “如果一个球员在签约大联盟或次联盟时都不知道如何使用木棒，那么制造它的机会就是一百分之一。”
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机译：名称：激光绑带蝙蝠速度训练器。描述：用臀部而不是上身（肩膀和手臂）摆动，可以提高击球速度。使用我们的Laser Strap Bat Speed Trainer时，如果您的上半身摇摆，则会导致地面球变弱，弹出或摇摆而丢失。激光绑带蝙蝠速度训练器可以将肘部紧贴身体，帮助您的核心保持与挥杆的连接。改善双手的上挥杆动作对于提高力量至关重要。
