英语单词大全
英语单词大全

alum shale

中文翻译

[化] 明矾页岩

英文解释

A variety of shale or clay slate, containing iron
pyrites, the decomposition of which leads to the formation of alum,
which often effloresces on the rock.

常见例句

1

of Alum shale

今日更新

更新时间:2025-06-08 15:10:37