Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/d22ed66e4eba153369040d2aa81491ae.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 exercise (n.)是什么意思，exercise (n.)的翻译，exercise (n.)音标、读音、用法和例句_贰靶汉英词典