free-floating [ˈfriˈflotɪŋ]

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
• The first organisms that reproduced sexually were free-floating plankton.
  最早开始有性繁殖的生物是四处漂浮的浮游生物。
  
• a free-floating exchange rate
  自由浮动汇率
  
• Free floating clouds to see the sunset, listening Songtao birds.
  闲看浮云落日, 静听松涛鸟语.