Warning: file_put_contents(/home/www/wwwroot/zidian/oclz.com/cache/faa520d4f93684274df5d2da17609b14.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 downward temperature gradient是什么意思，downward temperature gradient的翻译，downward temperature gradient音标、读音、用法和例句_菜篮子兴趣思朗文词典