【上位】 a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey" 血縁や婚姻による関係のある人。
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【下位】 someone who practices monogamy (one spouse at a time) 一夫一婦主義（同時に持つ伴侶は1人のみ）の人。
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【下位】 someone who is married to two or more people at the same time 1度に2人以上の女性と婚姻関係にある男性。
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an associate in an activity or endeavor or sphere of common interest; "the musician and the librettist were collaborators"; "sexual partners" ある行動や試みや分野において共通の関心を持った仲間。
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【上位】 perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel" 行動を実行する、うまく乗り切る、（行動を）遂行する。
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