Jisho

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制限区域 ()
Wikipedia definition
1. Key (basketball)The key, officially referred to as the free throw lane by the National Basketball Association (NBA) and the National Collegiate Athletic Association (NCAA), the restricted area by the international governing body FIBA, and colloquially as the shaded lane and the paint, is an area in a basketball court underneath the basket bounded by the endlines, the foul lanes and the free throw line.
Read “Key (basketball)” on English Wikipedia
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Read “Key (basketball)” on DBpedia

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