名词
中文翻译：无条件反射
同义词：
['unconditioned response', 'unconditioned reaction']
例句：
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1. The child's unconditioned reflex to jump out of the car is impressive.
孩子不经条件反射地从车里跳出来，令人印象深刻。
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2. The scientist discovered an unconditioned reflex in the animal that could be used for medical purposes.
科学家发现动物中有一种不经条件反射的反应，可以用来医疗目的。
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3. The patient's unconditioned reflex was to resist the medication.
病人的不经条件反射是抗拒药物。