时间:2019-01-08 作者:英语课 分类:Scientific American(十一)月


英语课

 This is Scientific American’s 60-Second Science. I’m Gretchen Cuda Kroen. Got a minute?


 
Nasty bacteria cling to the surfaces of countertops. They also stick to medical devices - like catheters - that are placed inside the human body, where they can become a dangerous source of infection.
 
Individually, bacteria are fairly easily killed. But if they multiply on a surface, they eventually form a biofilm - a tightly organized bacterial 1 community that can fight off antibiotics 3 and the body’s immune system.
 
Now, researchers have come up with a way to give those nasty bugs 4 the “slip(贴条子;禁停)” - a non-stick surface that stops the biofilm from forming. The material hasn’t been tested in humans yet. But in the lab, catheters coated with the non-stick surface stayed almost completely free of staphylococcus aureus bacteria(金黄色葡萄球菌). The findings were presented at the October, 2012, AVS International symposium 5 in Tampa, which covers materials, interfaces 6 and processing. 
 
By denying bacteria a grip(附着) on medical devices without resorting to antibiotics, the researchers also hope to help doctors get a grip(掌控) on antibiotic 2 resistance - one of medicine’s stickiest problems.

a.细菌的
  • Bacterial reproduction is accelerated in weightless space. 在失重的空间,细菌繁殖加快了。
  • Brain lesions can be caused by bacterial infections. 大脑损伤可能由细菌感染引起。
adj.抗菌的;n.抗生素
  • The doctor said that I should take some antibiotic.医生说我应该服些用抗生素。
  • Antibiotic can be used against infection.抗菌素可以用来防止感染。
n.(用作复数)抗生素;(用作单数)抗生物质的研究;抗生素,抗菌素( antibiotic的名词复数 )
  • the discovery of antibiotics in the 20th century 20世纪抗生素的发现
  • The doctor gave me a prescription for antibiotics. 医生给我开了抗生素。
adj.疯狂的,发疯的n.窃听器( bug的名词复数 );病菌;虫子;[计算机](制作软件程序所产生的意料不到的)错误
  • All programs have bugs and need endless refinement. 所有的程序都有漏洞,都需要不断改进。 来自《简明英汉词典》
  • The sacks of rice were swarming with bugs. 一袋袋的米里长满了虫子。 来自《简明英汉词典》
n.讨论会,专题报告会;专题论文集
  • What have you learned from the symposium?你参加了这次科学讨论会有什么体会?
  • The specialists and scholars present at the symposium come from all corners of the country.出席研讨会的专家学者们来自全国各地。
界面( interface的名词复数 ); 接口(连接两装置的电路,可使数据从一种代码转换成另一种代码); 交界; 联系
  • If the class needs to be reprogrammed, new interfaces are created. 如果class需要重新程序设计,新的interfaces创建。
  • Interfaces solve this problem of evolving code. Interfaces解决了代码升级的问题。
学英语单词
abena
acraniate
Albertopolis
atomic displacement reaction
attap
bill account
breathing valves
Britten, Benjamin
bunchy top disease of abaca
canon by cancrizans
cant help
cape doctor
carbon credit
CCD (cold-cathode discharge)
centracion shark
chart area
Cinnamomum mollifolium
contrastivity
coordinated geometry
copper graphite brush
cover losses
crush room
cucurbitive
dark ground illumination
deci-kelvin
dental air turbine
desmethoxyreserpine
distain
Divisional Court of the High Court
double earth fault
double range instrument
DSTT
electrode-negative
electromechanical power
Elwood
external field influence
extrano
fasciculi frontopontine
fat camps
femulen
filtering fiask
for vessels under external pressure
freight invoice
front bumper bracket
full mature shoreline
furanose
Geheimrat
golillas
graphite moderated lattice
gravidae
have someone at one's beck and call
head lamp switch
helium density of catalyst
hemodesmosome
histology
horse-boat
hydrogen fluoride laser
illumination taper efficiency
inrolling
inter cut
kaiser bills
krogstad
lig.
listera makinsana ohwi
margelene
meddlesomeness
medium hard
metal generating water
metallic iron
Michelangelo Merisi da Caravaggio
NOTOX
Ouré Ouré, I.
overt act
pan head screw
panicle weigth type
permethylations
Phlius
polygonum pilushanense
pseudo-ceratophorus
pull the reins in on something
Raeside, L.
reportedly
roasted grain
rule of correspondence
salvia lyratas
search image
self dramatisation
servicing pit
Sha'aban
shelter anchorage
Shenton's arch
side-inverted
singular solution of a differential equation
Sloan's liniment
solenoid sweep
vacuum baling
Venta de Baňos
voitia nivalis hornsch.
weather shore
Winter War
Y-connection
yasakuni