A behavioural response found in many male mammals when they detect particular smells from females, characterized by a curling of the upper lip and a raising of the head.
German (verb), '(of a horse) curl the lip in sexual excitement'.
英语词典包含464360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。