| 单词 | alum earth |
| 释义 | Definition of alum earth in English:alum earthnoun historical
OriginEarly 17th century; earliest use found in John Speed (d. 1629), historian and cartographer. Definition of alum earth in US English:alum earthnoun historical
OriginEarly 17th century; earliest use found in John Speed (d. 1629), historian and cartographer. |
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