| 释义 |
Related topics: Tools, Constructionjack·ham·mer /ˈdʒækˌhæmə $ -ər/ noun [countable] American EnglishTZTBC a large powerful tool used to break hard materials such as the surface of a road 风钻；凿岩机 SYN British English pneumatic drillExamples 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.jack·ham·mer nounChineseSyllable Corpus used large break to materials a hard tool powerful |