在我和克什那发现看起来象滑坡沉淀的河流岩石之后，我们带我们华盛顿大学的同事去看这些奇怪的岩石。
After Xenna and I found river rocks in what looked like landslide deposits, we took our University of Washington colleague to see these strange rocks.
布鲁内尔大学工程和设计学院的马克·阿瑟顿博士表示使病人依然能听带牙医的声音是始终贯穿整个项目的主题。
Dr Mark Atherton of Brunel University's School of Engineering and Design said allowing the patient to still hear the dentist was a key theme throughout the project.
密歇根大学的新研究表明，带口罩和用洗手液同样会有帮助。
Wearing surgical masks and using hand sanitizers also can help, a novel University of Michigan study found.
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