10-03-20 A 10-year-old British boy has become the first child to undergo a windpipe transplant with an organ crafted from his own stem cells. 一位10岁的英国男孩成为世界上首位接受气管移植手术的儿童，被移植的器官是使用他身体中的干细胞创造的。 This is the third...