He explains: 'hair has a lifespan of approximately seven years and on average we lose around 120 hairs a day to make way for new ones to grow.
他解释说：“头发有近七年的寿命，我们平均每天约脱落120根头发，从而腾出空间长出新的头发。”
He explains: 'hair has a lifespan of approximately seven years and on average we lose around 120 hairs a day to make way for new ones to grow.
他解释说：“头发有近七年的寿命，我们平均每天约脱落120根头发，从而腾出空间长出新的头发。”
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