单词	sibling species
释义	sibling species noun : one of two or more species that are nearly indistinguishable morphologically Example Sentences Recent Examples on the Web This research suggested that T. rex should have two sibling species -- a more slender Tyrannosaurus regina (tyrant lizard queen) and the stouter and toothier Tyrannosaurus imperator (tyrant lizard emperor). Katie Hunt, CNN, 25 July 2022 The study team’s conclusion was that T. rex was not a single, unchanging dinosaur but may have had two equally terrifying sibling species. Katie Hunt, CNN, 28 Feb. 2022 Word History First Known Use 1940, in the meaning defined above
随便看	ruminations ruminative ruminatively ruminator ruminators rumkin rumkins rumless rummage rummage sale rummage sales rummaged rummager rummagers rummages rummaging rummer rummers rummery rummest rummier rummies rummiest rummy rumness

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。