isomers ['aɪsoʊməz]

例句:

• They are said to be conformational isomers also called conformers.
  它们叫做构象异构体,也叫做异象体.
  
• Isomers are defined as compounds having the same formula but different structures.
  异构体被定义为化学式相同而结构不同的化合物.
  
• Evidently, living things can somehow distinguish between optical isomers.
  显然, 生物体对这两种同分异构体能够有所识别.