[化] 原料聚合物

Raw Chocolate Is Better For Your Health From VOA Learning English, this is the Health Report. Chocolate. Is it good for our health? Or is it just good? Many experts warn that the sugar in chocolate is not good for us. But doctors point to the healthf

发表于:2018-12-16 / 阅读(274) / 评论(0) 分类 2014年VOA慢速英语(八)月

'Belle' Of The Big Screen: Gugu Mbatha-Raw Stays Busy In Film play pause stop mute unmute max volume 00:0007:30repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash pl

发表于:2018-12-17 / 阅读(170) / 评论(0) 分类 2016年NPR美国国家公共电台11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(202) / 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(234) / 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(197) / 评论(0) 分类 Scientific American(一)月

[00:00.00]It's quite easy,isn't it? [00:03.10]Do you want to make one? [00:05.07]Sure.I'll get some paper, [00:07.32]colour pencils and scissors. [00:10.00]Good.Then we can take our planes [00:12.30]to the park and fly them there. [00:15.14]I think m

发表于:2018-12-29 / 阅读(248) / 评论(0) 分类 外研社新标准初中英语九年级

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(218) / 评论(0) 分类 60秒科学

By Suzanne Presto Washington, D.C. 14 July 2006 watch Networking report More than 100-million people worldwide have joined the cyber-socializing revolution. Social networking Web sites have sparked intense debate about safety concerns and the declin

发表于:2019-01-07 / 阅读(244) / 评论(0) 分类 2006年VOA标准英语(七月)

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(284) / 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(210) / 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(278) / 评论(0) 分类 Scientific American(四)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(184) / 评论(0) 分类 2016年VOA慢速英语(九)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(306) / 评论(0) 分类 VOA标准英语2016年(二月)

DAVID GREENE, HOST: Many people complain this time of year about pollen allergies. They get those itchy, watery eyes, runny noses. You know what I'm talking about. But some people with seasonal allergies have it worse. They develop allergic reactions

发表于:2019-01-17 / 阅读(234) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Rawdon was the sort of man who said, privately, to his men friends, over a glass of wine after dinner: No woman shall sleep again under my roof! He said it with pride, rather vaunting, pursing his lips. Even my housekeeper goes home to sleep. But the

发表于:2019-01-23 / 阅读(336) / 评论(0) 分类 英文短篇小说

Todd: I thought we would talk about insects. So, I warned you when you guys came over to this place that my apartment has cockroaches, spiders, and centipedes. Katia: Centipedes. It's my only problem. Todd: Really! Centipedes. Why? Because they look

发表于:2019-02-07 / 阅读(208) / 评论(0) 分类 原版英语对话1000个

我们今天要学的习惯用语都以deal这个词为中心。Deal作名词的时候意思是买卖、交易或者协议。我们要学的第一个习惯用语是: cut a deal。Cut a deal意思是达成决定性的协议。接下来我们先要听一

发表于:2019-02-18 / 阅读(372) / 评论(0) 分类 美国习惯用语

Hone Harawira will stay away from Parliament for the next two weeks and think about his future. The Maori Party met on Thursday and the leader, Whatarangi Winiata, suggested that Hone leave the Party. He should resign from Parliament or resign from t

发表于:2019-02-19 / 阅读(194) / 评论(0) 分类 新西兰英语

The result of the by-election in Te Tai Tokerau electorate yesterday was a win for Hone Harawira. Kelvin Davis, Labour, was second with 867 fewer votes than Hone. The Maori Party candidate was third. Hone says this is a win for the new Mana Party but

发表于:2019-02-25 / 阅读(218) / 评论(0) 分类 新西兰英语

The last few weeks have been difficult for the Maori Party. Hone Harawira has been the Maori Party MP for Te Tai Tokerau in the Far North of the North Island since the elections in 2005. However, he has not always agreed with the Maori Party and fina

发表于:2019-02-25 / 阅读(359) / 评论(0) 分类 新西兰英语
学英语单词
absolutely convex set
aviation routine weather report (metar)
be young in spirit
beta-transformtion
bollee
bottomwards
bring to life
burned dolomite
cantilever brush holder
capitals of lebanon
cloisonne
CO shift converter
coal plough
cold cathode ion source
communities of scholars
continuous rope system
copromotion
Curacavi
die sinker
double end pedal
ecorche
entry tension roll
epizoal
equiangle
Esino, Fiume
euchloric
factor flow
fanetizole
Fargesia ferax
fetal weight
finance corps
flat-top apron conveyor
fleyke
garage rock
gavras
geological erosion
greenish complexion
ground-based device
guide wire system
help with farm work
Hillsboro Canal
hold in one's own possession
Holden permeability bridge
Hydroxyethylidene
Ille-et-Vilaine, Dép.de l'
industrial security manual
inomyxoma fibromyxoma
interferonalfa
interval of service
interventional
lignanoid
long-loop feedback
manool
mansion
mesio-
meta-narratives
migrating dune
mild steel hexagonal bolts
milli-radian
mode of trial
mooring island
MTBF - mean time between failures
native titles
neutral sizing agent
non-spore bacteria
Norodom Sihanouk
oil industry merger
one-sided form
pan-head
paper supporting shaft
Patientia
PFK
plastic sheets
pleiotropism
polymorphids
portable bin
Processus majores
Pusong-ni
representationists
rotor cloud
safe roadstead
Semenovia transiliensis
silky dogwoods
small-enough
starting aids
stud tube water wall
succoss
suckered
Tauves
tergiversated
thallium(i) bromide chloride
Thamnasteria
tragacanth mucilage
Trichosanthes rosthornii
U.S. National Library of Medicine
underhand means
Van't Hoff isobar equation
vanilla orchid
venaker
Vuktyl
wang ching-wei
Yoakum County