kidney
/ˈkɪdni/
either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine
中文释义:肾脏
The kidneys filter waste products from the blood and produce urine.
肾脏过滤血液中的废物并产生尿液。
Drinking plenty of water helps keep the kidneys healthy and functioning well.
多喝水有助于保持肾脏健康并正常运作。