学个词 Learn a Word-VOA英语教学 3564 pathogen

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Pathogen 的意思是病原体，病因。With new studies indicating that the world population can expect about five new animal-borne pathogens to infect humanity each year, there is an urgency to curb¹ the wildlife trade. 新的研究表明，全球范围内每年可能有大.约五种新的动物传播病原体感染人类，因此限制野生动物交易迫在眉睫。

 

Researchers who model the spread of pathogens say social distancing works because it reduces the effective strength of links between individuals，and that ultimately lowers the rate of transmission. 构筑病原体传播模型的研究人员说，保持社交距离是有效的，因为它削弱了人与之间联系的强度面最终降低了传播速度。

 

好的，我们今天学习的词是 pathogen, pathogen, pathogen.

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