alum
alum 英 ['æləm] 美 ['æləm]
n. 矾；明矾
名词复数:alums
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- n. 矾；明矾
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1. alum will settle turbid water.
明矾可以澄清浊水。
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2. Purchase alum from any grocery store or pharmacy.
首先从食品杂货店或者药店买一些明矾。
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3. You can clarify the water by adding a little alum.
你在水里加一点明矾就能使水净化。
- alum (n.) "whitish mineral salt used as an astringent, dye, etc.," late 14c., from Old French alum, alun, from Latin alumen "alum," literally "bitter salt," cognate with Greek aludoimos "bitter" and perhaps with English ale. The Slavic words are said to be from Germanic.
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