Warning: file_put_contents(): Only 0 of 5259 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/73904.com/index.php on line 55 constellation boundaries例句_constellation boundaries英汉例句_constellation boundaries双解例句_骑士汉英词典
Also known as the Pinwheel Galaxy, M101 lies within the boundaries of the northern constellation Ursa Major, about 25 million light-years away. M101 也被称为风车星系，位于大约 2500 万光年之遥的大熊星座北部边缘。