3G
adjective uk/ˌθriːˈdʒiː/ us/ˌθriːˈdʒiː/
（尤指手机技术） 第三代的 （可以上网、看电视的）
3G technology is new and improved, and is used in mobile phones on which you can use the internet, watch television, etc. 3G is short for 'third generation'.
They invested heavily in 3G mobile phone networks. 他们投入巨额资金开发3G手机网络。