介绍iphone的英文,拜托了

The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple. The first iPhone was unveiled by former Apple CEO Steve Jobs on January 9, 2007,and released on June 29, 2007. The 5th generation iPhone, the iPhone 4S, was announced on October 4, 2011, and released on October 14, 2011, two days after the release of iOS 5.0, the Apple operating system for handheld devices.
An iPhone can function as a video camera, a camera phone, a portable media player, and an Internet client with email and web browsing capabilities, can send texts and receive visual voicemail, and has both Wi-Fi and 3G connectivity. The user interface is built around the device's multi-touch screen, including a virtual keyboard rather than a physical one. Third-party as well as Apple application software is available from the App Store, which launched in mid-2008 and now has over 500,000 "apps" approved by Apple. These apps have diverse functions, including games, reference,