predatory black-and-white toothed whale with large dorsal fin; common in cold seas
同义词：killer whale??/??killer??/??orca??/??grampus??/??sea wolf
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。