use v. 使用↓词根：us/use 抓住↓usurp [jʊ’zɜːp] v. 篡夺，侵占usurpation [ˌjuːzɜːˈpeɪʃn] n. 强取豪夺；篡夺↓例：unlawful usurpation of power 非法篡权