Ph.D是什么意思，Ph.D的翻译，Ph.D音标、读音、用法和例句

Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/440c0ddd3b8cad28b602e5963f1a4879.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55
Ph.D是什么意思，Ph.D的翻译，Ph.D音标、读音、用法和例句_贰靶汉英词典