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If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___
题目简介
If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___
题目详情
If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___ the damaged cells and allow that person to walk again.
题目简介
If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___
题目详情
答案