(单词翻译:单击)
听力文本
A group of researchers from Sweden has unlocked one of nature's biggest secrets. The scientists worked out how spiders make such strong silk when they spin their spider webs. The silk that spiders spin is incredibly strong and is tougher than steel. For decades, scientists have been researching what makes the silk so amazing. Finally, researchers from Sweden's University of Agricultural Sciences and the Karolinska Institute have found the answer. They found that the materials for webs are stored in a spider's silk gland as protein. The gland has a level of acidity that helps to make the protein into very strong silk. The researchers copied this process to make enough artificial spider-web silk to stretch for one kilometer.
The new artificial silk could be very useful to humans. Doctors are interested in it to use for stitches. They also think it can help the skin recover after a burn. Some doctors believe the new silk could replace torn ligaments in the body. Airplane manufacturers and makers of protective clothing also see many uses for the new silk. Senior researcher Anna Rising spoke about how important the discovery could be. She said: "This is the first successful example of [copying] spider silk spinning. In the future, this may allow industrial production of artificial silk for bio-material applications or for the manufacture of advanced textiles." The silk could become an important new material for us in the future.
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词汇学习
1.unlock vi.解开,揭开
The border police required the traveler to unlock his luggage.
边防警察要求旅客打开行李 。
2.incredibly adv.难以置信地,很,极为
I felt incredibly ashamed of myself for getting so angry.
我对自己发那么大的火而深感惭愧 。
3.amazing adj.令人惊异的
The most amazing thing about nature is its infinite variety.
大自然最让人惊叹的是它的无限多样性 。
4.artificial adj.人造的;人工的
Organic food is unadulterated food produced without artificial chemicals or pesticides.
有机食品是未使用人工化学制剂和杀虫剂的纯净食品 。
5.stretch v.伸展;延伸
I stopped at the square and got out to stretch my legs.
我在广场处停下来,下车活动活动腿脚 。
6.store v.贮存
Some types of garden furniture must be stored inside in the winter.
有几类花园家具冬季必须存放在室内 。
内容解析
1.The scientists worked out how spiders make such strong silk when they spin their spider webs.
work out解决;作出
The three parties will meet next month to work out remaining differences.
三方将在下个月会面,以解决余下的分歧 。
2. The silk could become an important new material for us in the future.
in the future今后,将来
He believes food prices will go up in the future.
他认为食品价格将来会上涨 。
参考翻译
来自瑞典的一些科学家解开了大自然最大的秘密
。科学家计算出了蜘蛛在编织蜘蛛网的时候如何吐出如此强壮的蛛丝 。蜘蛛纺出的丝非常强壮,比钢铁还坚韧 。几十年来,科学家一直在研究蛛丝如此强韧的原因 。最后,来自瑞典农业科学大学和卡罗林斯卡研究所的研究人员发现了答案 。他们发现,蛛网的材料作为蛋白质储存在蜘蛛的丝腺里 。丝腺里有一些酸性物质,让蛛丝非常强韧 。研究人员复制了这一过程,制造出长达一千米的人造蛛丝 。新的人造蛛丝对人类非常有用
。医生有兴趣用这种蛛丝来缝合伤口 。他们还认为这种人造蛛丝可以帮助皮肤烧伤后的恢复 。一些医生相信这种新的蛛丝可以代替身体里撕裂的韧带 。航空制造商和防护衣制造商也看到这种新蛛丝的多种用途 。高级研究员Anna Rising谈到了这个新发现的重要性 。她说:“这是复制蛛丝纺织的首个成功案例 。将来,这种人造蛛丝或许可以实现工业化生产,用于生物材料应用,或用于高端纺织品生产 。”这种蛛丝将来会成为一种重要的新材料 。