单词学习：cognitive decline 医学/心理学名词
cognitive decline
/ˈkɒɡnɪtɪv dɪˈklaɪn/
认知衰退，指与年龄增长相关的认知功能（如记忆、思维、推理能力）逐渐下降的过程。
Professor Gu noticed signs of cognitive decline in some elderly students and introduced memory exercises to help them.
顾老师注意到一些老年学生出现了认知衰退的迹象，于是引入了记忆练习来帮助他们。
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