ac

例句:

• In Europe, AC is usually generated at 50 Hz.
  欧洲的交流电输出频率通常为50赫兹。
  
• Both ac-tivities have caused some ructions.
  两项活动都引起了一些抗议。
  
• The Prime Minister ac-cused opposition leaders of muck-raking.
  首相指控反对党领袖传播丑闻。
  
• These coils come in sets of three to produce three phase ac electricity.
  来自SA
• Maen nhw'n cyd-drefnu'r diwrnod ac yn rhan fawr ohono.
  来自BBC
• Gyda sesiynau i blant, pobl ifanc ac oedolion.
  来自BBC