Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/86ddf11a65b093398cf901b37e2a6f77.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 obstacle marking是什么意思,obstacle marking的翻译,obstacle marking音标、读音、用法和例句_沉淀汉英词典