Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/c20f6426cb3950c3e9cb2d831cff8823.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 ratio (n.)是什么意思，ratio (n.)的翻译，ratio (n.)音标、读音、用法和例句_沉淀汉英词典