[网络] 可生物降解

适合3D打印的环保塑料 WASHINGTON As if we didnt have enough of it, the new must-have gadget - the consumer-grade 3-D printer - works with plastic. Researchers in Belgium say they have developed a new environmentally-friendly plastic, suitable

发表于:2018-12-16 / 阅读(98) / 评论(0) 分类 VOA标准英语2016年(二月)

Matthew: Hey Kat, you were just telling me about all the pros and cons of different renewable energies and you just got me thinking we're going to run outof oil in the next couple of decades. There's reports that say we're going to run out of oil in

发表于:2018-12-25 / 阅读(89) / 评论(0) 分类 原版英语对话1000个

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The common method of closing a surgical incision is simply to stitch the patient up. There are some issues, though. Good stitching can be challenging,

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 Scientific American(四)月

Asia's plastic industry is growing, with China and India challenging established producers such as Thailand. Now, there is increasing attention to the environmental impact of plastics. Both environmentalists and industry executives agree biodegradabl

发表于:2019-01-11 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(二月)

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(100) / 评论(0) 分类 2016年VOA慢速英语(九)月

Todd: So, Steven you've been talking a lot about adventures you can do in your country. Do you have any stories of adventure that's happened to you in your own country of Costa Rica? Steven: Well, when I was in middle school, my school decided to tak

发表于:2019-01-25 / 阅读(116) / 评论(0) 分类 英语趣味课堂

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(115) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(169) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(140) / 评论(0) 分类 英语博客 A cup of English

If you're a home gardener you may soon find that the pots you buy flowers and plants in are made from chicken feathers. Yes, tons of feathers that go to waste every year can now be transformed into plastics. Two Washington-area scientists are using f

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 VOA标准英语2010年(五)月

Part 3. PBSa biodegradable plastic product. Keywords. plastic, new solution, biodegradable plastic, break down, PBS. Vocabulary. PBS, biodegradable, tableware, microorganism, enzyme, degrade, dump. Environmental protection is a big issue nowadays. Wh

发表于:2019-02-15 / 阅读(140) / 评论(0) 分类 Step by Step 3000 第二册

Rajid: What are you doing? Nicole: Im putting my garbage into the garbage can. Why? Rajid: Dont you recycle? Youre supposed to separate out your recyclables and put them in a separate bin. Nicole: I know, I know, but who has the time? I dont have tha

发表于:2019-02-18 / 阅读(91) / 评论(0) 分类 地道美语播客

Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in

发表于:2019-02-23 / 阅读(104) / 评论(0) 分类 英语时差8,16
学英语单词
3gl (abbreviation)
afternoon
allo-threonine
alternating torsion fatigue test
append macro
astrictives
bastart
beam-riding system
biconcavities
bopster
burnished metal
callable services
carbide line
cementums
centralist
Clarke, Martha
claw hand deformity
compressed air atomization
computer aided system
cost accounting analysis
Court of Saint James's
crowntree
cruel plants
denucleating
derivative indexing
Dimethylsulphadiazine
divergingly
driffield (great driffield)
ethenylene
even-even nucleus
Falkenhagen
FAWTU
Fergluvite
ferrite garnet
fight song
firing time test
five-digit number
fork ball
front wheel aligner
full pointed rivet
genus phaethons
gladwin
hair moss
half reverse
hand brake cross shaft
hushtness
hypo-elimination
industrial tourism
invisible mode
jazzists
Johann Christoph Friedrich von Schiller
kipper ties
lift slack cable switch
light-grasps
liquefaction of air
low strength alloy
lunch-hours
matching prohibition
microdrop technique
mine coal
mortally
multiterminal interface
Mus.d.
nigromancien
nonlinear amplifier
of ginseng extract
oleum myristicae
Orizovo
over-rule
Patagonian fox
patucidisperse system
pile in on
pinhole plotter
pock forming unit
property , plant, and equipment
protein deletion hypothesis
put the change on sb.
real money balance
Retzite
road-kill
rusting risk
Ruvuma(Rovuma)
rwng
scales of motion
septum interalveolare
sharebones
smallest adductor muscle
spermagonium
ssbauer probe technique
sustentacula
sutura sphenosquamalis
teteriv (teterev)
tie-rod arm
tiebar
tincticite
triaperturate
unit of measure conversion factor
vectoring instructions
vincine
waistcoateer
Walrasian
wire to wire