【上位】 a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice" 屋根と壁があり、1つの場所にほぼ永久的に立っている構造物。
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【下位】 a rink with a floor of ice for ice hockey or ice skating; "the crowd applauded when she skated out onto the ice" アイスホッケーまたはアイススケート用の氷の床のリンク。
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