“区别性特征”常见的英文表达是 distinctive features。
“distinctive”意思是“有特色的;与众不同的;独特的” ,“feature”意为“特征;特点” ,二者组合“distinctive features”能够准确传达“区别性特征”的含义,即那些能够将事物区分开来的独特特点。
例句:The distinctive features of these two species make them easy to tell apart.(这两种物种的区别性特征使它们很容易被区分开来。)