今天我们要学的词是 infection. Infection 名词，有感染的意思。美国疾病预防控制中心的数字显示，279 pregnant women in the United States and U.S. territories have tested positive for Zika infection. 美国本土和属地已经有279名孕妇检测结果显示，感染了寨卡病毒。There are 5,000 new cases of HIV infection in 14 Southern and Eastern African countries each week, half of which are in South Africa. 南部和东部非洲的14个国家每周新发现HIV感染病例共5千例，其中一半来自南非。好的，我们今天学习的词是 infection, infection, infection...
