Last Updated：2025/11/29
Sentence
考古学者たちは、褐鉄鉱の脈の近くで数世紀前の道具を発見し、初期の製鉄の証拠となった。
Quizzes for review
Archaeologists found centuries-old tools near a vein of swamp ore, evidence of early ironworking.
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Archaeologists found centuries-old tools near a vein of swamp ore, evidence of early ironworking.
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Related words
swamp ore
English - English
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