单词	jackhammer
释义	jackhammer From Longman Dictionary of Contemporary EnglishRelated topics: Tools, Constructionjackhammerjack‧ham‧mer /ˈdʒækˌhæmə $ -ər/ noun [countable]  American EnglishTZTBC a large powerful tool used to break hard materials such as the surface of a road SYN pneumatic drill British EnglishExamples from the Corpusjackhammer• My responsibility button was being hit with the force of a jackhammer.• A jackhammer started up somewhere beyond the prison walls.• But today, crews wielding jackhammers are frantically repairing the narrow streets.
随便看	convince convince of convince somebody (that) convince somebody of something convince somebody to do something convince that convince to do convinced convinced Christian etc convinced Muslim etc convinced Muslim/Christian etc convincere convincing convincing victory convincing victory/win convincing win convivial convivialis convivium convocare convocation convoi convoier convoke convoluted

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