Last Updated:2025/11/29
Sentence

そのアンティーク望遠鏡の鏡面は、銅が約3分の2、錫が約3分の1を占める白く脆い合金で作られており、丹念に磨かれて輝く銀色の光沢を放っていた。

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The antique telescope's mirror, made of speculum metal, had been carefully polished to a brilliant silver sheen.

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The antique telescope's mirror, made of speculum metal, had been carefully polished to a brilliant silver sheen.

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Related words

speculum metal

Noun
uncountable
Japanese Meaning
約2/3が銅、1/3が錫の混合物からなる、白っぽく脆い合金。研磨すると高い反射性を持つ鏡面仕上げが得られる。
What is this buttons?

そのアンティーク望遠鏡の鏡面は、銅が約3分の2、錫が約3分の1を占める白く脆い合金で作られており、丹念に磨かれて輝く銀色の光沢を放っていた。

English - English

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