Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/b98d6b83f14caba3cc0a79a57f0149ee.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 periodontium (n.)是什么意思，periodontium (n.)的翻译，periodontium (n.)音标、读音、用法和例句_骑士汉英词典