Warning: file_put_contents(): Only 0 of 5009 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 欧美日韩久久综合一区二区乱码,狠狠躁夜夜躁人人爽天天,国产免费作爱视频
A cardinal vowel is a vowel sound produced when the tongue is in an extreme position, either front or back, high or low. 當舌頭位于極端的位置,發(fā)出的元音就是定位元音,不論位置的前后或高低。