【上位】 the side upon which the use of a thing depends (usually the most prominent surface of an object); "he dealt the cards face down" 物の使用が依存する側（通常物のの最も顕著な面）。
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【上位】 a mechanism that controls the operation of a machine; "the speed controller on his turntable was not working properly"; "I turned the controls over to her" 機械の操作を制御する機構。
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【上位】 pick out, select, or choose from a number of alternatives; "Take any one of these cards"; "Choose a good husband for your daughter"; "She selected a pair of shoes from among the dozen the salesgirl had shown her" 選ぶ、多くの選択肢から選ぶ。
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