俄科学家发明纳米银口罩 或有助防新冠病毒
<p>俄罗斯科学家最近发现，一种新型材料可杀死流感病毒，他们希望能将这种材料用于制造口罩，帮助人们抵御流感病毒和新型冠状病毒的侵袭。</p><p><span word="Scientists">Scientists</span> <span word="hope">hope</span> <span word="a">a</span> <span word="material">material</span> <span word="which">which</span> <span word="they">they</span> <span word="say">say</span> <span word="can">can</span> <span word="kill">kill</span> <span word="bacteria">bacteria</span> <span word="and">and</span> <span word="viruses">viruses</span> <span word="could">could</span> <span word="be">be</span> <span word="used">used</span> <span word="in">in</span> <span word="face">face</span> <span word="masks">masks</span> <span word="to">to</span> <span word="help">help</span> <span word="tackle">tackle</span> <span word="the">the</span> <span word="outbreak">outbreak</span> <span word="of">of</span> <span word="the">the</span> <span word="new">new</span> <span word="coronavirus">coronavirus</span>.</p><p>科学家希望，一种他们声称可以杀死细菌和病毒的材料能够用于制造口罩，以帮助应对新型冠状病毒。</p>
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