late 14c., "whitish mineral salt used as an astringent, dye, etc.," from Old French alum, from Latin alumen "alum," literally "bitter salt," cognate with Greek aludoimos "bitter" and perhaps with English ale.
雙語例句
1. Alum will settle turbid water.
明礬可以澄清濁水.
來自《現代漢英綜合大詞典》
2. Add the alum slowly to the cup of hot water.
給這杯熱水添加緩慢的明礬.
來自互聯網
3. But chemical mordents mordants such as allon alum are popular today.
但是化學腐蝕劑例如明礬現在很流行.
來自互聯網
4. The doors are made laminated panel and G shape alum . handle.
櫥柜門板選用進口防火板和鋁合金封邊拉手精工制作而成.
來自互聯網
5. It has triumphantly used in measuring alum images system in waterworks.