Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/131f680666afd31e86d849bd8aaf6127.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 foci of a hyperbola是什么意思，foci of a hyperbola的翻译，foci of a hyperbola音标、读音、用法和例句_果味酸柯林斯词典