alum ['æləm]

例句:

• But chemical mordents mordants such as allon alum are popular today.
  但是化学腐蚀剂例如明矾现在很流行.
  
• I've never had any problem with plain alum ones but I do avoid scented deodorants.
  来自SA
• Alum will settle turbid water.
  明矾可以澄清浊水.
  
• Add the alum slowly to the cup of hot water.
  给这杯热水添加缓慢的明矾.
  
• Oswald got a pennyworth of alum, because it is so cheap.
  来自E. Nesbit
• The alum can be constructed by sending engineers to construct and add to the space station and creating a colony.
  来自SA