Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/930068e34f7f59d2eaa316202c8c2260.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 leftmost derivation sequence是什么意思，leftmost derivation sequence的翻译，leftmost derivation sequence音标、读音、用法和例句_淳朴汉英词典