Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/1b2cb0d34043dc0e1ae3c4b22de2880c.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 focal variation ratio是什么意思，focal variation ratio的翻译，focal variation ratio音标、读音、用法和例句_欧米惠必应词典