Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/4b76a60558757a5876786f4e58d8d8c4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 protractile是什么意思，protractile的翻译，protractile音标、读音、用法和例句_贰靶汉英词典
when the upper lip is connected to the snout by a frenum, the two are continuous and the upper jaw is restricted from being protractile; 上嘴唇被一个系带连接到吻部，两者是连续的，而上颌则是被局限不能伸出的；