英语词汇“pearl hardening”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pearl hardening
释义	Definition of pearl hardening in English: pearl hardening noun A preparation of gypsum used to improve the quality of paper. Origin Late 19th century. Definition of pearl hardening in US English: pearl hardening noun A preparation of gypsum used to improve the quality of paper. Origin Late 19th century.
随便看	canalling canals Canal Zone Cananaean cananga cananga oil cananga water canango canape canapes canapé canapés canard canarding canards canaree canarese Canarese canareses Canarian Canarian canaries Canaries Current canariess canarium

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Definition of pearl hardening in English: