previously [ˈprivɪəslɪ]

例句:

• Previously, MPs played no role in the process.
  来自BBC
• The device had been used operationally some months previously.
  该设备几个月之前曾投入运行。
  
• The contract was awarded to a previously unknown company.
  合同签给了一个之前并不知名的公司。
  
• He may suddenly take a dislike to foods that he's previously enjoyed.
  对以前爱吃的食物，他兴许突然就没了胃口。
  
• I was previously unaware of SED. Zero point photons?
  来自SA
• But DCC's role in humans was previously unclear.
  来自SA