Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/dab3fb33a912729332c141d93163eb00.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 canonical representation of oriented tree是什么意思，canonical representation of oriented tree的翻译，canonical representation of oriented tree音标、读音、用法和例句_果味酸柯林斯词典