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1. The patient underwent bone transplantationto replace his missing leg.
患者接受了骨移植手术来替换他的缺失腿。
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2. Thebone transplantation was successful, and thepatient is now walking again.
骨移植手术成功，患者现在又能走路了。
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3. Bone transplantation is a complex procedure thatrequires careful planning and execution.
骨移植是一项复杂的程序，需要仔细规划和执行。