今天我们要学的词是infection。 Infection, 感染。 "MIT scientists are developing a new drug that might be able to fight any viral infection," 麻省理工大学的科学家正在研究一种新药，可能可以治疗任何病毒感染。 "Researchers found that a bacterial infection which usually strikes people with impaired immune systems is showing up for the first time in healthy individuals who have tattoos," 研究人员发现，此前只袭击免疫系统有缺陷人群的一种细菌感染首次在有纹身的健康人群中出现。 "A new study shows that HIV infection is growing in young black gay men," 一项新研究发现，同性恋年轻黑人男性的艾滋病感染率呈上升趋势。 好的， 今天我们学习的词是infection...