定义
to beep: 发出哔哔声 
            
            
My alarm clock wouldn't stop beeping, so I threw it in the river.我闹钟闹铃停不下来,我就将它扔到了河里。
a beep: 哔哔声 
            
            
- "I guess I should listen to them. BEEP"
 - "BEEP Carlos : Hello Brunooooo."
 - "You can leave a message after the beep...beep."
 - "(beep) Hello, this Bruno Delavigne."
 - "Please leave a message after this HUMAN MADE beep. Beep."
 - "Please leave a message after the beep, and my assistant Brian Jones will get back to you as soon as I tell him to."
 - "Please leave a message after this HUMAN MADE beep."
 - "BEEP Carlos : Bruno!"
 - "Beeping ceased immediately."
 

