ice-free ['aɪsˌfri:]

例句:

• The Egyptians were on their way to be free.
  来自BBC
• To listen you need the free Real Player software.
  来自BBC
• Screenraeder.net is where you can download a FREE screenreader.
  来自BBC
• All exposed instrumentation must be specially designed to remain ice - free.
  各种在气流中的仪表都必须专门设计的以防结冰.
  
• Dr. Budyko argues that at ice - free Arctic Ocean is the " normal'situation.
  布地柯博士认为,北冰洋不冻才是 “ 正常”情况.
  
• Yes, Shanghai is an ice - free port.
  是啊, 上海港是一个不冻港.