单词	ringback
释义	ringback /ˈriNGbak / noun A sound made by a mobile phone that is heard by a person who is calling that phone while waiting for the call to be connected.It looks like almost every caller tried a few times, and hung up in confusion when they first heard the ringback tone.... Now comes ringbacks, which allow you to change the way your phone sounds in the ear of the person calling you.
随便看	microdetector microdiffraction microdiffusion microdiorite microdissect microdistribution microdomain microdont microdontia microdontic microdontism microdose microdot microdrive microeconomic microeconomics micro-economist microelectric microelectrode microelectromechanical microelectronic microelectronics microelement microembolization microemulsion

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