单词	quartation
释义	quartation noun quar·​ta·​tion kwȯrˈtāshən plural -s : the alloying with silver of a button rich in gold in order to reduce the gold to such a proportion that the acid used in parting may act as desired Word History Etymology quart- + -ation
随便看	oologize oology oolong oolongs ooman oomancies oomancy oomantia oomantias oometer oometric oometry oomiack oomiacks oomiacs oomiak oomiaks oompah oompah-pah oompahed oompahing oompahs oomph oomphs oomycete

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