Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/8ddd9b7d35930640e5c849db1fafaf3d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 abstratum是什么意思,abstratum的翻译,abstratum音标、读音、用法和例句_沉淀汉英词典