jackhammer的意思|jackhammer的解释-里氏词典

jackhammer ['dʒæk`hæmɚ]

n. 手提钻

jackhammer

[ noun ]
a hammer driven by compressed air
<noun.artifact>

jackhammer \jackhammer\ n.
a hammer having a strong steel cutting blade, driven by
compressed air in multiple rapid strokes, and used for
cutting through pavement, concrete, or other hard substances.

Syn: air hammer, pneumatic hammer.
[WordNet 1.5]

Parker died at the age of 34 in 1955 after years of drug abuse, but Lloyd says, "Gosh, you need some kind of relief from this jackhammer society."
Amid shouting, cajoling, the toot of the Staten Island Ferry and pounding of a jackhammer six floors below, Bonwit's was carved up. Lawyers constantly pleaded for another minute as they huddled to cut a deal.
After they were unable to free the boy with pickaxes, rescuers used a compression jackhammer to chip away at the rock surrounding the hole, said police Officer Perry Rose.

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