Unverified90% confidenceCautionTime unknown
球号越大越重,'买大一号让孩子多用两年'是常见误区:过重的球会迫使孩子用双手抛投、耸肩发力,形成难纠正的错误动作,宁可按年龄勤换号
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90%
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Long-term
Relevance
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