单词	alum cake
释义	alum cake noun : a product of the action of sulfuric acid on clay consisting chiefly of silica and aluminum sulfate Word History First Known Use 1836, in the meaning defined above
随便看	pertest Perth Perth Amboy Perth and Kinross perthite perthites perthitic perthitically perthophyte perths perthshire pertinacious pertinaciously pertinaciousness pertinaciousnesses pertinacities pertinacity pertinacy pertinence pertinences pertinencies shuffling out of shufflings shufties shug

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