Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/d2793fa8022f6523af2ed69f02fdc211.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 gradation (n.)是什么意思，gradation (n.)的翻译，gradation (n.)音标、读音、用法和例句_绍翊字体网有道词典