發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Pyrene-containing twistarene : twelve benzene rings fused in a row