中英词典查询

alkene [ˈælˌkin]

n. 烯烃，链烯;

例句:

  • A hydrocarbon was known to be either an alkene or alkane.
    某碳氢化合物已知可能是烯烃或是烷烃.
  • The hydrocarbon must be an alkene.
    这个碳氢化合物必定是烯烃.
  • The betaine will collapse to the alkene only when these two functions are eclipsed.
    只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃.