【上位】 the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path" ある場所から別の場所へ位置を変える行為。
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【下位】 approaching a particular destination; a coming closer; a narrowing of a gap; "the ship's rapid rate of closing gave them little time to avoid a collision" 特定の目的地に近づくこと。近づいてくる。差を縮めること。
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