自出生4～5个月起，即出现头发脱落、毛发稀少、皮肤变薄以及色素沉着等特征。以后随年龄增长，逐渐呈现老年人面貌。

Loss of hair and subcutaneous fat, atrophy of skin with pigment deposition began from 4-5 months of age, then got worse with increasing age and featured like an old man.

youdao

那些毛发开始看起来是浅色并稀少的。

It starts out looking light and sparse.

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脱发或头发稀少是第二个最普遍担心的问题，排第三的是鼻子和耳朵里长毛发，紧随其后的是肥胖和牙齿变黄。

Hair loss or thinning came second, with unwanted hair in the nose and ears in third place. Being overweight and having yellow teeth were the next biggest concerns.

youdao

脱发或头发稀少是第二个最普遍担心的问题，排第三的是鼻子和耳朵里长毛发，紧随其后的是肥胖和牙齿变黄。

Hair loss or thinning came second, with unwanted hair in the nose and ears in third place. Being overweight and having yellow teeth were the next biggest concerns.

youdao