發送短信

數:

提供者:

CAPTCHA:

           _    _   __    __     ___      ______  
  ____    | || | || \ \\ / //   / _ \\   /_   _// 
 |    \\  | || | ||  \ \/ //   | / \ ||  `-| |,-  
 | [] ||  | \\_/ ||   \  //    | \_/ ||    | ||   
 |  __//   \____//     \//      \___//     |_||   
 |_|`-`     `---`       `       `---`      `-`'   
 `-`

Please enter what you see:

發送短信 : Vocabulary practicing from assisting techniques in three dimensional animation with user interaction