1 [C] one of the two parts of your body that separate waste liquid from your blood 肾脏 ☞picture at body 见body插图

2 [U] [C] the kidneys of an animal when they are cooked and eaten as food ﹙动物的煮了可食用的﹚腰子: steak and kidney pie 牛肉腰子馅饼 ☞adjective renal 形容词为renal