a detective who follows a trail
同义词：sleuth??/??sleuthhound
a breed of large powerful hound of European origin having very acute smell and used in tracking
同义词：bloodhound??/??sleuthhound
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。