Warning: file_put_contents(): Only 0 of 5286 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 人妻二乱三伦欧美精品,成人国产精品高清在线观看
When the vocal folds are spread apart during quiet breathing, the larynx constitutes a tubular air tunnel with somewhat irregularly shaped walls. 當(dāng)聲帶在安靜呼吸時(shí)分開，喉頭構(gòu)成一個(gè)管狀的風(fēng)洞，其管壁有些不規(guī)則。