在脑脊液内黑色素增多症被怀疑显示为软脑膜受累，确诊需要通过颅脑或脊髓活检。
The leptomeningeal involvement is suspected by demonstration of melanocytosis in cerebrospinal fluid and confirmed by the biopsy of the brain or spinal cord.
孩子长大后，皮肤就会变厚，色素也会增多，抵御阳光就方便多了。
As children become older, their skin becomes thicker and more pigmented, granting them more sun protection.
当皮肤色素沉着增多，所以需要暴露于阳光下紫外线B辐射的足够时间以合成足够数量的维生素d。
As skin pigmentation increases, so does the period of exposure to ultraviolet B radiation from sunlight needed to synthesise adequate amounts of vitamin d.
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