paragenesis [ˌpærə'dʒenɪsɪs]

例句:

• On the inkstone often the paragenesis grain dizzies, enters the water variegated.
  砚石上常共生纹晕, 入水斑斓.
  
• This is a paragenesis, we can get various minerals at one time.
  这是座共生矿, 我们可以一次获取多种矿石.
  
• The phenomenon of elemental paragenesis and separation in deposits is ubiquitous.
  元素共生分异现象在矿床中是普遍存在的.