Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/21e8f3383f83aa3340a3f7880d1d1cd7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 red-giant branch例句_red-giant branch英汉例句_red-giant branch双解例句_流逝汉英词典
A66 is a red star located at the lowest end of the red giant branch (near the top of the sub-giant branch) of the globular cluster M4. A66是位于球状星团M4红巨星支最底部（近亚巨星支顶部）的一颗红星。