名词
中文翻译：Unknown
同义词：
['primary nodules', 'initial nodules']
例句：
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1.The first nodules on the skin are small and painless.
皮肤上的第一次结节是小的且不痛。
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2.The doctor found several primary nodules in his patient's lymph nodes.
医生在他的病人的淋巴结里发现了几个初次结节。
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3.The patient had to undergo surgery to remove the primary nodules.
患者不得不接受手术来移除初次结节。