名詞 kidney:

1. either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine

1. The surgeon graft the dead man's kidney into his patient.
   這位外科醫(yī)生將死人的兩個腎移植到他的病人身上。
2. A collecting structure in the kidney.
   腎總管，腎盂腎中的集合結(jié)構
3. Able to develop into kidney tissue.
   腎發(fā)生的能發(fā)展為腎組織的
4. Each man has a pair of kidneys.
   每個人有一對腎臟。

kid.ney

n.（名詞）
【復數(shù)】 kid.neys
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.
【解剖學】 腎臟：位于脊椎腹腔背部區(qū)的一個或一對器官，作用是保持水和電解質(zhì)平衡，調(diào)整酸堿濃度，過濾代謝產(chǎn)物中的血液，然后以尿的形式排出
The kidney of certain animals, eaten as food.
腰子：做食物用的某些動物的腎臟
An excretory organ of certain invertebrates.
腎：某些無脊椎動物的排泄器官
Kind; sort.
類型；品種

來源：
Middle English kidenere, kidenei
中古英語 kidenere, kidenei
perhaps from Old English *cydenôora
可能源自 古英語 *cydenôora
*cyde [belly]
*cyde [肚子]
*nôora [kidney]
*nôora [腎，腎臟]