social science   specialized a group of people who share a characteristic, u

中文解释

有共同特点(通常指年龄)的一群人 This study followed up a cohort of 386 patients aged 65+ for six months after their discharge home. 这项研究对386位年龄在65岁以上、出院回家的患者进行了6个月的跟踪观察。

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opuntia lumbering 王公 相思 goose within a few yards band against expect success continue research