许多年前

• Many years ago men first heated iron ore in a fire .
  许多年前，人们初次在火中锻烧矿石。
• Our headquarters was deeded to us many years ago as part of a bequest .
  我们的总部是在许多年前作为一项遗产的一部分让给我们的。
• He is lost in the interior of africa many years ago
  他於许多年前在非洲腹地失踪。
• He was lost in the interior of africa many years ago
  他于许多年前在非洲腹地失踪。
• An old lady talked about her life many years ago
  一位老妇人谈到她许多年前的生活。
• The question was first mooted many years ago
  这个问题是许多年前就提出的
• Gold coins were taken out of circulation many years ago
  金币也在许多年前退出了流通。
• This boat was abandoned many years ago
  这条船许多年前就已经废弃不用了。
• But many years ago you knew me well
  可是许多年前你对我很熟悉。
• Unlike the neutron , rna has been known about for a long time
  和中子不同， rna在许多年前就被发现了。