| 单词 | ammonium alum |
| 释义 | ammonium alum (once / 1688473 pages) n WORD FAMILY ammonium alum USAGE EXAMPLESWhat light can you shed on ammonium alum? Seattle Times(Nov 05, 2014) n a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum Syn|Hyper alum, ammonia alum Al, aluminium, aluminum, atomic number 13 a silvery ductile metallic element found primarily in bauxite double salta solution of two simple salts that forms a single substance on crystallization |
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