Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/e36c66ef3e5d752739317d392ea4dd64.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 single ascertainment是什么意思，single ascertainment的翻译，single ascertainment音标、读音、用法和例句_淳朴汉英词典