名词
中文翻译：脐
同义词：
['umbilicus', "navel例句：1. The baby's arcus pubis is visible through the skin.（婴儿的脐部通过皮肤可见。）"]
例句：
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1. The baby's arcus pubis is visible through the skin.
婴儿的脐部通过皮肤可见。
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2.The doctor removed the arcus pubis to perform surgery.
医生切除了脐部以便进行手术。
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3. The old man had an arcus pubis that he was proud of.
这位老人有一个他引以为豪的脐部。