如今，科学家们正致力于改进医疗机器人。
Nowadays, scientists are working on improving health care robots.
科学家希望这种改进能有助于处理突发医疗事件。
Scientists hope that the improvement could help to deal with sudden medical events.
来自俄罗斯驻芝加哥医疗中心的科学家发现，如果一个人尚且能准确分辨气味，那么他还可以活许多年。
Scientists from Rush University Medical Center in Chicago found the more everyday odours a person could identify the more likely they were to be alive several years later.
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