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托福听力练习-科学美国人60秒:麦卢卡花蜜

2017-05-07 09:11:00来源：科学美国人60秒

点击查看>>科学美国人60秒音频：麦卢卡花蜜

　　科学美国人60秒听力练习：麦卢卡花蜜

　　科学美国人60秒英文文本

　　Honey’s been a medicine since before medicine as weknow it even existed. Its use was described onSumerian clay tablets from nearly 4,000 years ago. Ancient Egyptians made ointments ofhoney to treat various injuries.

　　And honey’s been mixed into contemporary medicine as well, as a bacteria fighter. Nowscientists have an idea about how honey fights some bacteria—and might help with antibioticresistance. The work was presented at a Society for General Microbiology conference inEngland.

　　The researchers focused on manuka honey from New Zealand. This honey has already beenincorporated into treatments for wound care.The researchers investigated the honey’s activitiesversus three bacterial species that commonly infect wounds. Turns out that the manuka honeykeeps some bacteria from being able to attach themselves to tissue. It also hampers bacteriafrom forming biofilms, which bacteria use as protection from antibiotics.

　　They also learned that found that manuka honey can make the dreaded MRSA moresusceptible to antibiotics. Which could help reverse the bacteria’s resistance. If theseinitial findings hold, honey could find a new role as part of a one–two punch of drugs and thesweet stuff to combat infection.

　　—Cynthia Graber

　　中文翻译请点击下一页

本文关键字: 托福听力 科学美国人60秒

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