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SSS 2012-07-17

时间:2012-09-18 08:41:34

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(单词翻译)

 This is Scientific American -60 seconds science. I’m Cynthia Graber. This will just take a minute.

 
A coal mine can degrade its local environment. But fungus1 may inadvertently help clean up the mine with its own waste products. Researchers worked with the fungus called Silbela Axiculosa. As it makes spores2, it also produces superoxide. That’s a highly reactive kind of oxygen. When the released superoxide bumps into the mineral manganese in the environment, it makes that mine much more reactive itself. The pepped-up manganese then grabs and holds a variety of toxic3 medals and other substances that need to be cleaned up and taken out of the coal mine drainage water. The research led by Colin Handso of Harvard and * ocean and graphic4 institution appears in the proceedings5 of the national academy of sciences. It’s been know that various bacteria and fungi6 can help in environmental remediation. The new research shows that production of the vital forms of manganese requires that fungi and bacteria be actively7 produce superoxide. So creating conditions that encourages the organism to create the superoxide could be the first step in the pathway by which they help the manganese to literally8 do the dirty work, and make some toxic sites a lot cleaner.

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1 fungus gzRyI     
n.真菌,真菌类植物
参考例句:
  • Mushrooms are a type of fungus.蘑菇是一种真菌。
  • This fungus can just be detected by the unaided eye.这种真菌只用肉眼就能检查出。
2 spores c0cc8819fa73268b5ec019dbe33b798c     
n.(细菌、苔藓、蕨类植物)孢子( spore的名词复数 )v.(细菌、苔藓、蕨类植物)孢子( spore的第三人称单数 )
参考例句:
  • Ferns, mosses and fungi spread by means of spores. 蕨类植物、苔藓和真菌通过孢子传播蔓生。
  • Spores form a lipid membrane during the process of reproducing. 孢于在生殖过程中形成类脂膜。 来自英汉非文学 - 生命科学 - 预防生物武器
3 toxic inSwc     
adj.有毒的,因中毒引起的
参考例句:
  • The factory had accidentally released a quantity of toxic waste into the sea.这家工厂意外泄漏大量有毒废物到海中。
  • There is a risk that toxic chemicals might be blasted into the atmosphere.爆炸后有毒化学物质可能会进入大气层。
4 graphic Aedz7     
adj.生动的,形象的,绘画的,文字的,图表的
参考例句:
  • The book gave a graphic description of the war.这本书生动地描述了战争的情况。
  • Distinguish important text items in lists with graphic icons.用图标来区分重要的文本项。
5 proceedings Wk2zvX     
n.进程,过程,议程;诉讼(程序);公报
参考例句:
  • He was released on bail pending committal proceedings. 他交保获释正在候审。
  • to initiate legal proceedings against sb 对某人提起诉讼
6 fungi 6hRx6     
n.真菌,霉菌
参考例句:
  • Students practice to apply the study of genetics to multicellular plants and fungi.学生们练习把基因学应用到多细胞植物和真菌中。
  • The lawn was covered with fungi.草地上到处都是蘑菇。
7 actively lzezni     
adv.积极地,勤奋地
参考例句:
  • During this period all the students were actively participating.在这节课中所有的学生都积极参加。
  • We are actively intervening to settle a quarrel.我们正在积极调解争执。
8 literally 28Wzv     
adv.照字面意义,逐字地;确实
参考例句:
  • He translated the passage literally.他逐字逐句地翻译这段文字。
  • Sometimes she would not sit down till she was literally faint.有时候,她不走到真正要昏厥了,决不肯坐下来。

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