caller [ˈkɔlɚ]

例句:

• An anonymous caller told police what had happened.
  有人打匿名电话向警方报告了所发生的事。
  
• Wonderful. Right, let's go to our next caller.
  太棒了。好的，我们接听下一个电话。
  
• The caller hung up.
  打电话的人挂断了电话。
  
• The caller left a message to do with PPI claims.
  来自THETIMES
• The final caller is J. D. Salinger himself.
  来自NEWYORKER
• The caller was looking for someone to do some C programming.
  来自WSJ