Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/4ef3dd103b98850563b482a8fbf85f36.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 gaseous emission nebula例句_gaseous emission nebula英汉例句_gaseous emission nebula双解例句_橘子化妆朗文词典
Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core. Messier 27（M27）是个气体发射星云的典型例子，它是由于类似太阳的恒星耗尽了其核心的核燃料而产生的。