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jackhammer n.輕型鑿巖機;風鎬,氣錘。

jacking

A system or device for doing work , as an automobile or a jackhammer , together with its power source and auxiliary equipment 機械系統用來工作的系統或裝置,如汽車或手持式鑿巖機,包括其動力源和輔助設備

Boy , give me the jackhammer 小伙子把手提鉆給我

So they bring in a jackhammer , 他們拿來了手提鉆槍

He ' s behind the bricks ! jackhammer 他在磚墻后面,打透它!

A city road must be broken up by jackhammers . 城市道路必須用風鎬掘開。