alternating ['ɔ:ltəneɪtɪŋ]

例句:

• This is an alternating current generator.
  这是一台交流发电机.
  
• The measurement of alternating potential difference may be perturbed by stray current.
  交变电位差的测量可能受到游散电流的影响.
  
• The beating of heart induces alternating currents in the surrounding tissues.
  心脏的搏动在其周围组织中感应出交流电流.
  
• Some people find alternating heat and cold produces most relief.
  来自BBC
• He discovered alternating current and was a pioneer of wireless communication.
  来自THETIMES
• The beams are composed of alternating layers of glass and glue.
  来自MSN