ping /ˈpɪŋ/
 子彈飛過空中的聲音,報時的最後的一聲(vi.)咻地發聲 ;  (用來檢測網絡遠端主機是否存在及判斷網絡是否正常的一種網絡檢測工具)


 Ping n.  The sound made by a bullet in striking a solid object or in passing through the air.


 Ping, v. i. [imp. & p. p. Pinged p. pr. & vb. n. Pinging.] To make the sound called ping.

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 Ping
      n 1: a river in western Thailand; a major tributary of the Chao
           Phraya [syn: Ping River]
      2: a sharp high-pitched resonant sound (as of a sonar echo or a
         bullet striking metal)
      v 1: hit with a pinging noise; "The bugs pinged the lamp shade"
      2: sound like a car engine that is firing too early; "the car
         pinged when I put in low-octane gasoline"; "The car pinked
         when the ignition was too far retarded" [syn: pink, knock]
      3: make a short high-pitched sound; "the bullet pinged when
         they struck the car"
      4: contact, usually in order to remind of something; "I'll ping
         my accountant--April 15 is nearing"
      5: send a message from one computer to another to check whether
         it is reachable and active; "ping your machine in the
         office"