灵鹊做题网跪求手机如何工作的英语简介~小短文
来源：学生作业帮 编辑：灵鹊做题网作业帮 分类：英语作业 时间：2024/04/30 02:14:21
跪求手机如何工作的英语简介~小短文
A mobile phone (also known as a cellular phone,cell phone and a hand phone) is a device that can make and receive telephone calls over a radio link whilst moving around a wide geographic area.It does so by connecting to a cellular network provided by a mobile phone operator,allowing access to the public telephone network.By contrast,a cordless telephone is used only within the short range of a single,private base station.