halogens ['hælədʒənz]

例句:

• Halogens also have the necessary absorption in the ultraviolet and rapid dissociation.
  卤素也具有吸收紫外线和分解快这两种特性.
  
• All the halogens require one more electron to complete a P - shell.
  所有的卤素都要求得到一个额外的电子来填满P壳层.
  
• Gas - filled lamp containing a tungsten filament and a small proportion of halogens.
  含有钨灯丝和少量卤素的充气灯.
  
• I like the ability to quickly see groups such as halogens and non-metals.
  来自SA