Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/37f79d40e2bf10a74de977b150ff7fe2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 retroreflective placard是什么意思，retroreflective placard的翻译，retroreflective placard音标、读音、用法和例句_沉淀汉英词典