rock butter
Discordance or diversity of form; dissimilarity.
Native alum mixed with clay and iron oxide, usually in soft masses of a yellowish-white colour, occurring in cavities and fissures in argillaceous slate.
plural of norwester
(intransitive) To attack imaginary enemies. / (intransitive, by extension) To go on a wild-goose chase; to persistently engage in a futile activity.
鉱夫たちはその組成を調べるために、泥質の板岩の裂け目から粘土や酸化鉄と混ざった天然の明礬の柔らかい黄白色の塊を慎重に取り出した。
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