Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/15eef5ebe98087d3ef53a27315d59902.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 spherical refracting surface是什么意思，spherical refracting surface的翻译，spherical refracting surface音标、读音、用法和例句_骑士汉英词典