Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/fa5d0fa6889d21d01b48387d06d06290.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 birational equivalent是什么意思，birational equivalent的翻译，birational equivalent音标、读音、用法和例句_歐米惠必应词典