Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/6208ff226a9d99b391c40d7d422bf3fa.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 prepotential是什么意思，prepotential的翻译，prepotential音标、读音、用法和例句_贰靶汉英词典