The fact that Goran is a lefty just makes his serve that little bit better.戈兰是个左撇子，他的发球由此质量要更高一些。Another lefty, as has been revealed by a candid photo, is Britain's Queen Mother Elizabeth.一张真实的照片透露出, 英国王太后伊丽莎白也是个左撇子...
种皮上留有种脐或种痕.The seed coat is marked with a hilum or seed scar.偶而, 脐周淋巴结可触及.Occasionally, lymph nodes can be found in the vicinity of the umbilicus.方法体外培养人脐静脉内皮细胞,通过传代形成细胞的衰老模型.Methods Human umbilical vein endothelial cell...