科学美国人60秒 SSS 2014-10-31
时间:2018-12-24 作者:英语课 分类:2014年Scientific American(十)月
英语课
This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute?
The human microbiome means community of tiny organisms that live on us and inside us. These creators play a vital role in our health. They calibrate 1 our min-systems, ward 2 off pathogenic bacteria, even affect our weight. But if we stop nabogazing, literally 3, because some scientists are actually measuring bell button bacteria. There is a whole of to be found in the microbiomes of other organisms, too. Take the pesky mosquito .
A few years back, scientists found a soil microbiome, called como bacteria CSPP, living in the guts 4 of mosquito in Panama. Apart from the study, the researchers say mosquito occupants could be a remarkable 5 versatile 6 weapon to fight malaria 7 and dengue fever. Because como bacteria shorten the life span of disease transmitting mosquito species the habor it and kill their lavi out right.It also reduce mosquito's ability to catch the dengue virus or the malarial 8 parasides and kill both pathogenes in the lab.
Those findings are in the journal 'Plots Passage'. Researchers say those como bacteria stream could some day guide the development of new drugs or serve more environmentally friendly standin for pest sides. But they also says, as many diseases control stradegy, there is no ones overbow it. Drugs,vaccines and education will still be crucial to keeping mosquito born killers 9 in check, along with good old control. In this case,fighting bugs 10 with bugs.
1 calibrate
校准;使合标准;测量(枪的)口径
- Pesticide levels in food are simply too difficult to calibrate.食品中杀虫剂的含量很难精确测定。
2 ward
n.守卫,监护,病房,行政区,由监护人或法院保护的人(尤指儿童);vt.守护,躲开
- The hospital has a medical ward and a surgical ward.这家医院有内科病房和外科病房。
- During the evening picnic,I'll carry a torch to ward off the bugs.傍晚野餐时,我要点根火把,抵挡蚊虫。
3 literally
adv.照字面意义,逐字地;确实
- 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。
4 guts
v.狼吞虎咽,贪婪地吃,飞碟游戏(比赛双方每组5人,相距15码,互相掷接飞碟);毁坏(建筑物等)的内部( gut的第三人称单数 );取出…的内脏n.勇气( gut的名词复数 );内脏;消化道的下段;肠
- I'll only cook fish if the guts have been removed. 鱼若已收拾干净,我只需烧一下即可。
- Barbara hasn't got the guts to leave her mother. 巴巴拉没有勇气离开她妈妈。 来自《简明英汉词典》
5 remarkable
adj.显著的,异常的,非凡的,值得注意的
- She has made remarkable headway in her writing skills.她在写作技巧方面有了长足进步。
- These cars are remarkable for the quietness of their engines.这些汽车因发动机没有噪音而不同凡响。
6 versatile
adj.通用的,万用的;多才多艺的,多方面的
- A versatile person is often good at a number of different things.多才多艺的人通常擅长许多种不同的事情。
- He had been one of the game's most versatile athletes.他是这项运动中技术最全面的运动员之一。
7 malaria
n.疟疾
- He had frequent attacks of malaria.他常患疟疾。
- Malaria is a kind of serious malady.疟疾是一种严重的疾病。
8 malarial
患疟疾的,毒气的
- Malarial poison had sallowed his skin. 疟疾病毒使他皮肤成灰黄色。
- Standing water like this gives malarial mosquitoes the perfect place to breed. 像这样的死水给了传染疟疾的蚊子绝佳的繁殖地点。