【上位】 a prominent attribute or aspect of something; "the map showed roads and other features"; "generosity is one of his best characteristics" あるものの顕著な面。
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【下位】 an aspect of something (as contrasted with some other implied aspect); "he was on the heavy side"; "he is on the purchasing side of the business"; "it brought out his better side" 何かの面（ある他の意味された面と比べて）。
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【下位】 the part of a scene (or picture) that lies behind objects in the foreground; "he posed her against a background of rolling hills" 前方の物の後ろにある、光景（あるいは絵）の一部。
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【下位】 merriment expressed by a brightness or gleam or animation of countenance; "he had a sparkle in his eye"; "there's a perpetual twinkle in his eyes" 表情の表情の輝き、輝き、活発さによって表される陽気なにぎわい。
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