[网络] 聚合物溶剂
(polymer-solvent 的复数)

A 58-year-old grandmother in Massachusetts won one of the biggest prizes in U.S. history$294 million. If she had taken the 26-year payout, Doris Stevens would have received $11 million a year for 26 years, before taxes. Mrs. Stevens decided to take t

发表于:2018-12-11 / 阅读(97) / 评论(0) 分类 原版英文小故事

Capturing CO2 Is Costly and Difficult 采集二氧化碳成本既高、又有困难 Most scientists agree that increasing amounts of carbon-dioxide gas in Earths atmosphere is partly to blame for rising temperatures, also known as climate change. Cha

发表于:2018-12-16 / 阅读(95) / 评论(0) 分类 2015年VOA慢速英语(三)月

RACHEL MARTIN, HOST: That painting you see on the wall of an art museum is the product of the artist and the times in which he or she lived. It is also the result of today, no matter how old it is, a major museum's conservator's work to keep the art

发表于:2018-12-18 / 阅读(80) / 评论(0) 分类 2017年NPR美国国家公共电台6月

油价下跌 德克萨斯州喜忧参半 Oil rig workers, known as roughnecks, face unemployment as oil prices fall, but the impact is greater in regions like Alaska and North Dakota, where production costs are higher than they are in the Eagle Ford

发表于:2018-12-19 / 阅读(91) / 评论(0) 分类 VOA双语新闻 2015年2月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Physicists study all kinds of curious things,from the missing matter in the universe to the strange behavior of electrons ,but none of this is quite as cu

发表于:2018-12-24 / 阅读(101) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(四)月

化学品/农药残留物检测系统 - Chemical/pesticide residue testing; 外界污染源勘测仪器 - Detection of foreign contaminating objects; 实验室设备和传感器 - Laboratory equipment and sensors; 射线杀菌和巴氏杀菌消毒技术

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 医学英语

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 医学英语

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(89) / 评论(0) 分类 2016年VOA慢速英语(九)月

The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make

发表于:2019-01-14 / 阅读(118) / 评论(0) 分类 VOA标准英语2010年(十)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(181) / 评论(0) 分类 VOA标准英语2016年(二月)

Air pollution 空气污染 A: I've heard of ground-level ozone but can you explain what it is exactly? A:我听说近地面臭氧,但是你能确切解释一下是什么吗? B:Yes, it's one of the main air pollutants. Factories don't emit it dire

发表于:2019-01-14 / 阅读(97) / 评论(0) 分类 职业技术英语口语

Legislation 法规 A: Has your company been affected much by government legislation? A:政府法规对你们公司影响大吗? B: Yes, we have. We've had to clean up our production process a lot to meet tough government standards. B:是。为了严格

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 职业技术英语口语

The scent of a new car can be enticing in showrooms, and even intoxicating in its appeal. Theres a good reason for that. That new car smell comes from an assortment of chemicals, some of which can be highly toxic. 展厅中的新车会散发出迷人的

发表于:2019-02-02 / 阅读(150) / 评论(0) 分类 实用英语
学英语单词
-barrelled
abutting lot
accommodation trains
ADVD
amido aldehyde
at one's own risk
band horizontal dipole
binche lace
bird eating spider
Bonheur, Rosa
bronchitic
Brotherton
Cascais, B.de
cerebritis
Conesa, Prov.de
controlled heating
courtelace
cross-infections
destructs
determinabilities
digging rake
discovery of discharge
disprofited
diumide
embastardizes
entmacher
epimetamorphic rock
extraspinal
fayalitic
Federal Fund Rate
fibre plant
final temperature difference
fixed tread type
flush distillation
forecast master synchronization
general pain and heaviness
george booles
Halaaerobiaceae
hbs
He lives long that lives well.
heretics
houp
Indigofera howellii
ketocaproic acid
labial palpus
labor time
leccer
lift transporter
light pen function
local matter
Malt-O-Meal
meanor
metonymizes
mineral physics
mouse port
navarrette
Nobex
organogermanium
Otaria
out-pacing
out-part
out-republican
path free signal
periodic damping
pha-tcm
plasminogen activator
pneumatic system of aircraft
point type speed control system
provenzino
questionin
radix system
reflector backup structure
remuddles
reservoir dispatching
revel in something
reverse-acting control element
RTR
sacktors
Saitori
secondary controller
segathy
set someone's teeth on edge
simultaneous throughput
sinoside
slovene
slow-cook
sojourner
sphenocephalia
sphinxed
supplying cap
table cooker
telegraph-cable buoy
thallium trifluoride
took my off
tow beam
trimeprazine tartrate
triplicates
two-form
two-way video
wave cleaning
wind-fire angle
yerva