Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/07fa21c0ec7bcc6a61e2035fcef355ea.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 discern (v.)是什么意思，discern (v.)的翻译，discern (v.)音标、读音、用法和例句_沉淀汉英词典