名词
中文翻译：黑痣
同义词：
['melanocytic nevi', 'melanotic nevi']
例句：
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1.He had a black spot on his forehead that he'd never been able to get rid of.
他额头上有一块黑痣，他一直无法去除。
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2. The doctor found a melanotic nevus on her arm during the examination.
医生在检查中发现她手臂上有一个黑色素沉着的痣。
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3.Melanocytic nevi are often harmless but can be mistaken for skin cancer.
黑色素沉着痣通常无害，但可能会被误认为是皮肤癌。