单词 | species barrier |
释义 | species barriernoun The natural mechanisms that prevent a virus or disease from spreading from one species to another.We do not want the risk of a new infection jumping the species barrier....
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英语词典包含243303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。