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kid·ney AHD[kĭdʹnē] D.J.[ˈkɪdniː]K.K.[ˈkɪdni]n.（名词）pl. kid.neys 【复数】- Anatomy Either one of a pair of organs in the dorsal region of the vertebrate abdominal cavity, functioning to maintain proper water and electrolyte balance, regulate acid-base concentration, and filter the blood of metabolic wastes, which are then excreted as urine.【解剖学】 肾脏：位于脊椎腹腔背部区的一个或一对器官，作用是保持水和电解质平衡，调整酸碱浓度，过滤代谢产物中的血液，然后以尿的形式排出
- The kidney of certain animals, eaten as food.腰子：做食物用的某些动物的肾脏
- An excretory organ of certain invertebrates.肾：某些无脊椎动物的排泄器官
- Kind; sort.类型；品种
- Middle English kidenere, kidenei 中古英语 kidenere, kidenei
- perhaps from Old English *cydenēora 可能源自 古英语 *cydenēora
- *cyde [belly] *cyde [肚子]
- *nēora [kidney] *nēora [肾，肾脏]
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