湿疹是一种常见的皮肤病,通常具遗传性。Eczema is a common skin complaint which often runs in families.口吃很可能是一种遗传性缺陷。Stammering is probably an inherited defect.遗传性疾病治疗起来很困难.It's very difficult to treat genetic diseases....
button. 那个小女孩系不上领扣.The little girl can't fasten the collar.我系不上这个领扣.I can't fasten this collar button.那个小女孩系不上领扣.The little girl can't fasten the collar button....