發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : No oceans on Titan from the absence of a near-infrared specular reflection