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单词 cuprammonium rayon
释义

cuprammonium /kū-prä-mōˈni-əm/

noun

A solution of cupric hydroxide in ammonia

ORIGIN: L cuprum copper, and ammonium

cuprammonium rayon noun

Artificial silk made by dissolving cellulose in cuprammonium

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更新时间:2025/1/9 20:40:55