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alum

英 [ˈæləm]

美 [ˈæləm]

n.  明矾,白矾(用于制革、印染等)

复数:alums 

化学

BNC.28085 / COCA.17889

牛津词典

    noun

    • 明矾,白矾(用于制革、印染等)
      a substance formed from aluminium/aluminum and another metal, used, for example, to prepare leather and to change the colour of things

      英英释义

      noun

      • a double sulphate of aluminum and potassium that is used as an astringent (among other things)
        1. a person who has received a degree from a school (high school or college or university)
            Synonym:alumnusalumnagraduategrad
          1. a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
              Synonym:potassium alumpotash alum
            1. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
                Synonym:ammonia alumammonium alum

              双语例句

              • Alum will settle turbid water.
                明矾可以澄清浊水。
              • Analysis and Countermeasures for the Safety of Ventilation System of Wenzhou Alum Mines in Middle and Later Operation Periods
                温州矾矿开采中后期通风系统安全分析与对策
              • Effects of Alum on trace elements and SOD of rats brain
                明矾对大鼠脑组织微量元素及SOD活性的影响
              • The second is the only flour, but it soon died because of the excessive amount of flour Lishan alum.
                第二只吃的是面粉,然而它也很快死了,因为面粉里掺了过量的明矾。
              • Once, when my mother administered powdered alum to my sore throat, I concluded that my family must have had enough of me.
                曾经当我妈妈将粉末状的明矾放入我疼痛的喉咙时,我甚至断定我们家不想要我了。
              • Ultimately, this alum left the company.
                最后,这位校友离开了那家公司。
              • To make a sapphire crystal, the basic material used is a salt cleansed from any foreign body ( ammoniacal alum).
                蓝宝石水晶玻璃的主要原料是一种经过洗涤后除去了所有异物的盐(氨明矾)。
              • Drop a little alum into the water and you can see to the bottom.
                一把明矾放下去,就看见了底。
              • Experimental study on phase change material for thermal energy storage based on ammonium alum;
                蓄热炉替代换热炉在我国已有十几年了,究竟节能与否值得探讨。
              • Mix eight grams of alum with seven grams of cream of tartar in a small amount of hot water.
                将八克明矾和七克酒石膏用少量的热水混合在一起。