[化] 长链聚合物

What if you could wave your phone over a piece of fish at a store and immediately see a record of its path through the supply chain? 如果你在商店里把手机在一块鱼肉上面晃一下,就能立即看到它在供应链上的路径记录,结

发表于:2018-12-08 / 阅读(154) / 评论(0) 分类 2017年VOA慢速英语(十一)月

This is Whats Trending Today Recently, the operators of a bookstore in Southampton, England made an unusual appeal to people in the community. They sought help moving books and other things to the stores new location, a short distance down the street

发表于:2018-12-08 / 阅读(176) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Ohhh.. mmm ohhh Ive tried for so long to wash away my own stain but everywhere I turn is another one in its place so I fall on my knees asking you to come and make me clean make me spotless spotless spotless in your arms Wanna be spotless spotless sp

发表于:2018-12-16 / 阅读(94) / 评论(0) 分类 节奏布鲁斯

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(134) / 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(162) / 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(138) / 评论(0) 分类 Scientific American(一)月

在监狱的教堂里面,Michael与哥哥林肯又见面了,Michael跟林肯大概说了一下自己的越狱的计划,但林肯却认为计划完全行不通. [00:07.54]Listen and Share [00:42.59]Michael [00:57.66]How are we doing it? [00:59.53]The infirmary. [01:01.30]Infirmary? [01:03.79]I

发表于:2019-01-01 / 阅读(246) / 评论(0) 分类 越狱第一季

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(145) / 评论(0) 分类 60秒科学

By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 2018年VOA慢速英语(一)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(182) / 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(150) / 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(203) / 评论(0) 分类 Scientific American(四)月

今天我们要学的词是 chain。Chain 除了大家都知道的,有锁链的意思,还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie

发表于:2019-01-09 / 阅读(194) / 评论(0) 分类 英语单词荟萃

COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found

发表于:2019-01-09 / 阅读(177) / 评论(0) 分类 英语新闻

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(111) / 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(211) / 评论(0) 分类 VOA标准英语2016年(二月)

Ah, you little thief! said the Farmer in an angry voice. So you are the one who steals my chickens! 啊,你这个小偷!农民生气地说,这么说,我的鸡都是你偷的? Not I! No, no! cried Pinocchio, sobbing bitterly. I came here onl

发表于:2019-01-29 / 阅读(104) / 评论(0) 分类 木偶奇遇记

Shane Nicholson,澳大利亚的民谣歌手,歌声慵懒而随意,吉他伴奏纯澈而清新。他曾经的妻子是澳大利亚天后级乡村歌手Kasey Chambers。他没有妻子有名,但是音乐仍然精致而迷人。 Artist:Shane N

发表于:2019-02-11 / 阅读(102) / 评论(0) 分类 金属

Ohhh.. mmm ohhh Ive tried for so long to wash away my own stain but everywhere I turn is another one in its place so I fall on my knees asking you to come and make me clean make me spotless spotless spotless in your arms Wanna be spotless spotless sp

发表于:2019-02-11 / 阅读(111) / 评论(0) 分类 节奏布鲁斯

介绍: Pump /p?mp/ 打气筒 A bike pump is necessary if you travel long distance. 如果长时间骑车的话,那么打气筒就很有必要。 Tire /ta?r/ 轮胎 I've got a flat tyre (= the air has gone out of it).我的车胎没气了。 Pedal

发表于:2019-02-13 / 阅读(99) / 评论(0) 分类 英语俚语天天说
学英语单词
6P4C
adjustable stud
adustion of coal
ammonium rhodanate
anisotropic formation
assessment number
Augustus Pugin
Ball-planting
balls of fire
basic crust
beati pacifici
benbrook
Bensley's method staining
Blind Mice
catcher mark
cbar
channel sand
Columbine High School massacre
completed cycle of erosion
compound valley
concentric circle method
counterfait
cowbarn
cross Nicols
crude carrier
day watches
defibrated cane
deposited
DGTG
disse
dissonating
Dreschhausen
driveworks
due diligence meeting
entry instruction
ergodic principle
exit ramp control
fan-ventilated motor
feather stitch
firing mechanism
Flaga
footwall drift
fuddy
funicular hydrocele
Get your teeth into
glyoxal-bis(2-nydroxyanil)
ground clearance measurement
ground control radar
group length module
guide-dog
haemorrhages
hasty surveying
hot shutdown
house-door
ichthyocol
interdependency factor
Jacobean lilies
Khojent
konso
l-m (local manual)
leather hollows
line series ruled surface
long-term planning
magnetic focused image intensifier
major face
maximum permissible void fraction
Melbourne, University of
Mercaderes
meshaal
microthrust
n-ethyl phenylamine
non-progressive
nonmutilated
nonsupernaturalists
nozzle flap
palter with sb
passenger ships
pilcrows
piston stop washer
pouncs
pseudomembranous enterccolitis
quadrisecant
RCC (remote communication console)
relay key
rice-rocket
Salchow jump
sammael
secure container
smooth-acting
Spanishify
stainless steel honeycomb panel
stock removing
tapered search
tea dances
the quattrocento
the simple things in life
Treweek
trial employment period
tropical weather
ukiyoe
valve seat carbon deposit