名词
中文翻译：孔
同义词：
['hole', 'opening', 'aperture例句：1. The foramen is the entrance to the skull.（这个孔是颅骨的入口。）2. The doctor removed the foramen with a needle.（医生用针头移除了这个孔。）3. The foramen was filled with pus and blood.（这个孔充满了脓血。）']
例句：
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1. The foramen is the entrance to the skull.
这个孔是颅骨的入口。
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2. The doctor removed the foramen with a needle.
医生用针头移除了这个孔。
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3. The foramen was filled with pus and blood.
这个孔充满了脓血。