a very loud utterance (like the sound of an animal)
同义词：bellow??/??bellowing??/??holler??/??hollering??/??hollo??/??holloa??/??roar??/??roaring??/??yowl
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。