[ 复数 sledgehammers 第三人称单数 sledgehammers 现在分词 sledgehammering 过去式 sledgehammered 过去分词 sledgehammered ]
N-COUNT A sledgehammer is a large, heavy hammer with a long handle, used for breaking up rocks and concrete. (用于击碎岩石和混凝土的)大锤
Toes and fast moving sledgehammers do not make a good mix !
脚趾和快速移动大锤不好好组合!
It involves bolting iron plates to the walls of tunnels at regular intervals and placing sledgehammers nearby.
这种方法是通过在坑道壁上有规律的固定一些铁片,然后在在这些铁片附近放上铁锤。
The steep ruggedness of the volcanic terrain made this work very difficult; it required picks, sledgehammers, and a lot of sweat.
由于火山地形险峻陡峭,他们的活干得很艰难,十字镐和重锤都要派上用场,而且汗流浃背。
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