isotope [ˈaɪsətoʊp]

例句:

• Lasers promise to change this by making isotope separation easier, and cheaper.
  激光可以改变这种局面,从而使同位素分离变得比较容易 、 比较廉价一些.
  
• This indium isotope was created at the same time as the earth.
  这种铟同位素与地球产生在同一时代.
  
• The isotope ratio is directly used for comparing oils or gases.
  同位素比率直接用于比较各种石油或天然气.
  
• Her isotope levels showed her to have been local.
  来自THETIMES
• There is also an very old lead-isotope signature.
  来自MSN
• This half-life differs dramatically from isotope to isotope.
  来自SA