于是妈妈就把胎毛也剪掉了，不过妈妈没把头发丢掉。
In shave lanugo, the sharp razor will often delicate baby skin left many scars invisible to the naked eye.在剃胎发时，锋利的剃刀会常常在孩子娇嫩的皮肤上留下许多肉眼看不到的伤痕。
He is beginning to shed the fine hair or lanugo that has covered his body although some may remain at birth.他开始长出细绒毛，或称作胎毛了，虽然只有一些会在出生的时候还保留着，现在它们却覆盖着他的身体。
She's also developing a thin layer of very fine hair called lanugo which is normally shed and replaced with vellus hair by week 36.她还长出了一层细绒毛，补称做胎毛，通常会在36周的时候脱落并被毫毛替代。
She'u2019s also developing a thin layer of very fine hair called lanugo, which is normally shed and replaced with vellus hair by week 36.她还长出了一层细绒毛，补称做胎毛，通常会在36周的时候脱落并被毫毛替代。
She's also developing a thin layer of very fine hair called lanugo, which is normally shed and replaced with vellus hair by week 36.她还长出了一层细绒毛，补称做胎毛，通常会在36周的时候脱落并被毫毛替代。
