renal

形容词 renal:

1. of or relating to the kidneys
   同义词：nephritic

1. People with renal diseases have to eat salt-free foods.
   患有肾脏疾病的人只能吃不含盐的食物。

re.nal

adj.（形容词）
Of, relating to, or in the region of the kidneys.
肾脏的：肾脏的，或肾脏区的

来源：
Late Latin rôn3lis
后期拉丁语 rôn3lis
from Latin rônôs [kidneys]
源自 拉丁语 rônôs [肾脏]