相关单词近義詞 prevention 阻止, obstruction 障礙, exclusion 排除, disqualification 剝奪資格, prohibition 禁止, deterrence 制止, impediment 障礙, bar 酒吧, hindrance 起妨礙作用的事物或人..., obstacle 障礙, forestalling 動詞forestall的..., obviation 除去臨近詞PRE, Prekel 返回 preclusion