名词
中文翻译：后脑勺
同义词：
['occipital', 'back of the head', 'rear end']
例句：
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1.He sat down on the couch and looked at his postnasus.
他坐在沙发上，看着自己的后脑勺。
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2.The doctor examined her postnasus and found a small bump.
医生检查了她的后脑勺，发现了一个小肿块。
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3. She leaned back in her chair and felt the postnasus stretch.
她靠在椅子上，感觉到后脑勺在拉伸。