名词
中文翻译：硬皮棒
同义词：
['hardened rod', "hardened bar例句：1. The patient's callus rod was removed during surgery.（患者手术时取出了硬皮棒。）"]
例句：
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1. The patient's callus rod was removed during surgery.
患者手术时取出了硬皮棒。
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2. The engineer used a callus rod to bend the metal beam.
工程师用一根硬皮棒弯曲了金属梁。
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3. The carpenter used a callus rod to saw through the wood.
木匠用一根硬皮棒锯木头。