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单词	metanephros
释义	metanephros noun meta·​neph·​ros ˌme-tə-ˈne-frəs  -ˌfräs plural metanephroi ˌme-tə-ˈne-ˌfrȯi  : either member of the final and most caudal pair of the three successive pairs of vertebrate renal organs that functions as a permanent adult kidney in reptiles, birds, and mammals but is not present at all in lower forms compare mesonephros, pronephros metanephric ˌme-tə-ˈne-frik  adjective Word History Etymology New Latin, from meta- + Greek nephros kidney — more at nephritis First Known Use 1877, in the meaning defined above Medical Definition metanephros noun meta·​neph·​ros -ˈnef-rəs, -ˌräs  plural metanephroi -ˌrȯi  : either member of the final and most caudal pair of the three successive pairs of vertebrate renal organs that functions as a permanent adult kidney in reptiles, birds, and mammals but is not present at all in lower forms compare mesonephros, pronephros
随便看	karatas karatchai karate karateist karateists karateka karatekas karates karats Karatsu ware karatto karaya karaya gum Karbalā' karbi karbovanets karbovantsi karbovantsiv Karel karela Karelia kareliae Karelian Karelian Isthmus karelians

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。