Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/b09816fc7a207d3c2bd771fd619e0d37.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 frenulum of upper lip是什么意思，frenulum of upper lip的翻译，frenulum of upper lip音标、读音、用法和例句_沉淀汉英词典