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. |