Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/026ab8c0f2370e3b122fac5eabfe25c2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 covert operation是什么意思，covert operation的翻译，covert operation音标、读音、用法和例句_沉淀汉英词典