复原 (fù yuán): เพื่อเรียกคืน (sth) ไปยัง (ของมัน) สภาพเดิม

After careful restoration by experts, this ancient painting was finally restored to its original condition.

After the earthquake, the government worked hard to restore the damaged historical buildings.

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His health gradually recovered, and now he can work normally again.

Archaeologists are trying to restore the original appearance of this ancient city.