最終更新日：2024/07/28

Dictionary quizzes to help you remember vocabulary

A method of extracting gold and silver from their ores with a solution of sodium cyanide / A process of case-hardening iron or steel by immersing it in molten cyanide and then quenching in water or oil

正解を見る

cyanide process

問題を編集する

編集履歴（0）

元となった辞書の項目

cyanide process

noun

A method of extracting gold and silver from their ores with a solution of sodium cyanide / A process of case-hardening iron or steel by immersing it in molten cyanide and then quenching in water or oil