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halogen

US [ˈhælədʒən]
UK [ˈhælədʒen]
  • n.卤素
  • Web卤素灯;卤族元素;卤素灯泡
Plural Form:halogens  
halogen
n.
1.
卤素any of a set of five chemical elements, including fluorine , chlorine and iodine , that react with hydrogen to form acids from which simple salts can be made. Halogens , in the form of gas, are used in lamps and cookers/stoves.

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