五月天在线精品电影|国产一级a视频在线永久观看|精品亚洲aⅴ一区二区三区|国产小视频孩交

In Jan., Muhammad Usman Janjua, Pakistani teacher of medicine in China's Hunan, applied to go to Wuhan, epicenter of COVID-19 outbreak then, as a volunteer. Although he didn't make it, he helped fight COVID-19 in his own way.