感染后会变身“德古拉”？美国首次发现“吸血鬼病毒”（讲解版）|E1115

▍原文

For the first time, 'vampire viruses' have been observed in the wild by US scientists. These viruses attach themselves to other viruses for replication, a phenomenon previously only theoretical, now witnessed under a microscope by a Maryland-based research team.

This research into the complex interactions between viruses and their satellites has the potential to offer new directions for antiviral therapy.

▍语言点

1. for the first time 首次

2. vampire virus 吸血鬼病毒

· vampire /ˈvæmpaɪr/ n. 吸血鬼

3. observe /əbˈzɜːrv/ v. 看到，观察到(尤指为了学习、研究仔细观察)

· You see, but you do not observe.

你是看到了，但是你没留心观察。

4. attach sth. to sth. 把……附着在……上

5. replication /ˌrepləˈkeɪʃ(ə)n/ n.(病毒或分子的)再造，自我复制

 6. theoretical /ˌθiːəˈretk(ə)l/ adj. 理论的，推想的

· theory /ˈθɪri/ n. 理论，推想

· theoretical knowledge 理论知识

· theoretical approach 理论研究方法

· practical /ˈpræktɪk(ə)l/ adj. 实际的

· experimental /ɪkˌsperəˈment(ə)l/ adj. 实验得出的

7. have the potential to do sth. 有做某事的潜力

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