相关单词同义词equal, anti, comparative, rival, match, contrary, adverse, against, 近义词 adversary, enemy反义词ally, friend临近词opportune, OPP, opponents, opponent in, opponent firm, Opponent model, opponent court, opponent firms, opponents' goal, opponent's play, opponent vessel, opponent's court相似词opioid, opium, opossum, oppo, opportune, opportunism, opportunist, opportunistic, 返回 opponent