名词
中文翻译：退行性面貌
同义词：
['regressive features', 'retrograde facial features']
例句：
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1. The patient's regressive facies made it difficult for the doctors to diagnose his condition.
患者的退行性面貌让医生难以诊断他的病情。
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2. The study found that certain genes play a role in determining the regressive facies of the species.
研究发现某些基因在决定物种的退行性面貌方面发挥作用。
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3. The researcher analyzed the regressive facies of the ancient civilization and discovered new insights into its development.
研究者分析了古代文明的退行性面貌，并发现了对其发展的新见解。