發送短信

數:

提供者:

CAPTCHA:

  ______    ______    _  __    _____     _  _   
 /_   _//  /_   _//  | |/ //  |  ___||  | \| || 
   | ||     -| ||-   | ' //   | ||__    |  ' || 
  _| ||     _| ||_   | . \\   | ||__    | .  || 
 /__//     /_____//  |_|\_\\  |_____||  |_|\_|| 
 `--`      `-----`   `-` --`  `-----`   `-` -`

Please enter what you see:

發送短信 : Meteorological controls on local and regional volcanic ash dispersal