| 单词 | jackhammer |
| 释义 | jackhammer (once / 92339 pages) n WORD FAMILY jackhammer: jackhammers USAGE EXAMPLESA key to the trial was a jackhammer Boyle leased on Dec. 29 and reportedly used to tear up the floor to bury Noreen. Washington Times(Dec 25, 2016) Power down the jackhammers and concrete mixers, and let’s turn to an agricultural practice dating from time immemorial: grafting. Seattle Times(Dec 23, 2016) I lived to tell the tale, obviously, but I also added this to the list of construction experiences I’ll never repeat, like running a jackhammer. Wall Street Journal(Dec 12, 2016) n a hammer driven by compressed air Syn|Hyper air hammer, pneumatic hammer hammer, power hammer a power tool for drilling rocks |
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