backstroke [ˈbækstroʊk]

例句:

• The prefix S denotes the class for freestyle, backstroke and butterfly.
  来自BBC
• Sometimes I use breaststroke, backstroke, and free style.
  有时游蛙泳 、 仰泳和自由泳.
  
• No surprisingly, the first stroke he mastered was the backstroke.
  不出意外地, 他掌握的第一个泳姿就是仰泳.
  
• I get water in my ears when swimming the backstroke.
  仰泳时,我耳朵总是进水.
  
• The evening on BBC One is dominated by the swimming as Gemma Spofforth and Liam Tancock compete in the backstroke finals.
  来自THETIMES
• Gemma Spofforth, the British backstroke champion and world record-holder, has hung up her race suit for good.
  来自THETIMES