A wisp of smoke is curling up from a chimney.炊烟旋绕.A wisp of grey hair stuck out from under her hat.从她的帽子下边露出一绺灰白的头发。She smoothed away a wisp of hair from her eyes.她将眼睛上的一缕头发拨开。It burns as a will - o'- the - wisp , d...
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...