Last Updated：2025/11/21
Sentence
修復士は17世紀の鏡の裏に施された水銀と錫の合金の劣化を記録した。
Quizzes for review
The restorer documented the deteriorating quicksilvering on the reverse of the seventeenth-century mirror.
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The restorer documented the deteriorating quicksilvering on the reverse of the seventeenth-century mirror.
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