超级带菌者 ; 超传播性 ; 染源
"Working out how many people are likely to be infected by each super-spreader of Hepatitis C, as well as how soon they will be infected, has been a puzzle for over 20 years, " he said.
BBC: Spread of hepatitis C pinpointed
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。