Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/b7f63d13d0f1bbe607db5cf272b53baa.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 mandatory (adj.)是什么意思，mandatory (adj.)的翻译，mandatory (adj.)音标、读音、用法和例句_按摩法牛津词典