Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/934ab1eb99d744306a1426886d97e536.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 background (n.)是什么意思，background (n.)的翻译，background (n.)音标、读音、用法和例句_贰靶汉英词典