音标:[diː'pɒlɪməraɪz] ;
vt.,vi. 【化学】(使)(高分子化合物)解聚

Kaylee: do you want to go out for dinner tonight? Nathan: sure. Have you got anywhere in mind? K: I'm starving, so maybe we could go somewhere with large portions. N: that Italian restaurant in the city centre always has large portions. Do you want t

发表于:2018-11-30 / 阅读(222) / 评论(0) 分类 生活英语情景口语

Following the historic summit between President Donald Trump and North Korean Chairman Kim Jong-un, Secretary of State Mike Pompeo met with the foreign ministers of South Korea, Japan, and later China to brief them on the way forward with North Korea

发表于:2018-12-08 / 阅读(106) / 评论(0) 分类 VOA标准英语2018年(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(121) / 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(146) / 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(129) / 评论(0) 分类 Scientific American(一)月

Senior Citizens Day is on August the 21st. It is a day to celebrate the worlds older people. Their number is increasing rapidly every year. In 1950 there were 200 million people over 60 years old. That number nearly tripled to 600 million in 2000. Ex

发表于:2018-12-29 / 阅读(142) / 评论(0) 分类 英语课程学习计划和讲义

Pizza Hut is one of the worlds best-known pizza restaurants. It was founded in 1958 in Kansas, USA, by brothers Dan and Frank Carney. Twenty years later, it was bought by Pepsico. Pizza Hut offers dine-in, takeaway and home delivery options in nearly

发表于:2019-01-01 / 阅读(130) / 评论(0) 分类 各大品牌英文介绍

Daddy, lets order a pizza, Billy said. That sounds like a good idea, said his dad. They looked at a menu they had at home. What kind do you want? his dad asked. Billy wanted a large pizza. He wanted a pizza with four toppings. He wanted cheese, peppe

发表于:2019-01-02 / 阅读(147) / 评论(0) 分类 简单慢速英语阅读

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(133) / 评论(0) 分类 60秒科学

A South Korean official says North Koreas leader commented that he is committed to denuclearization of the Korean Peninsula. National security advisor Chung Eui-yong also said that the leaders of North and South Korea are to meet in the capital of No

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 2018年VOA慢速英语(九)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(170) / 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(140) / 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(190) / 评论(0) 分类 Scientific American(四)月

Steve: Hi, this is Steve. I'd like to talk about pizza. Pizza is my favorite food. I like it because you can have pizza every day and it can be different each time. My favorite toppings on pizza are pepperoni, mushrooms, basil, garlic. I like lots of

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 原版英语对话1000个

A: My name is Mary, and I will be your waitress tonight. B: Thank you, Mary. We have been looking forward to trying out this restaurant. A: Before your main course, would you like to order an appetizer? B: Sure, that sounds great. Where are your appe

发表于:2019-01-11 / 阅读(131) / 评论(0) 分类 英语情景对话-餐厅

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(103) / 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(193) / 评论(0) 分类 VOA标准英语2016年(二月)

South Korea announced an extension of its air defense identification zone on Sunday. The zone encompasses submerged rocks within the overlapping exclusive economic zones of China and South Korea. China responded on Monday saying it was willing to mai

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 CCTV9英语新闻2013年12月

Khizr Khan Says He Would Live This Week A 'Hundred Million Times' Over KELLY MCEVERS, HOST: Khizr Khan can't go anywhere without being noticed. People hold doors for him, cry when they see him, even jump out of cars to hug him. He became known around

发表于:2019-02-13 / 阅读(260) / 评论(0) 分类 2016年NPR美国国家公共电台8月

The victimized water vat is located in the Imperial Garden of the Forbidden City. The names scratched into the vat appear to be Zhang Tao and Liu Ya, and are carved between two handles on the over 300-year-old bronze relic, surrounded by a heart-shap

发表于:2019-02-14 / 阅读(161) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
acetopyruvate
acky
adiabatic switching
administrations
anti-shock
ascd (association for supervision and curriculum development)
auditor of internal accounts
beam transmitter
bisulfide
blood heats
bovate
bridging equipment
butananan pt.
cavalli-sforza
cephalic indexes
China Export Commodity Fair
chioniolphobous plant
corporate announcement information enquiry function
cosmic chemistry
crushed stone
data separator
deformation polarizability
Dobryanskiy Rayon
earthworm population
ecosystem services
exchange acidity
fead
felce
fibril angle
first deed of trust
FLTBCST
fluoride etch
folin method
fomes
forked tube
frigerating
frog leg winding
front-of-the-house
functional analysis of classroom
G.T.C.,g.t.c.
grindage
ground attack speed
gymnothorax niphostigmus
Haas-Oettel cell
hide-covereds
hot desert test
howiesons
hydro-cryptophytes
in berry
inverted knob
Kedemoth
Koskivaara
La Ferté-St-Cyr
levee plastering machine
linearity property
lined pipe
mammose
manganese iodide
mating call
maximum tempera-ture
minimum operating pressure
moderate-speed lubrication
moon-worship
Moshe Dayan
nasturtium families
Ngong Ping
non compensation
non-dealing partner of a partnership
nonpollen
Nuuk
one-way valve
overgeneralisation
peaceful co-existence
Pectinidae
Peucedanum harry-smithii
plastic tape coating
plays Nostradamus
pop vlave
preservatize
principle of equal ignorance
problem calculus
racket around/round
resonance epithermal reactor
rocket dynamics
role taking
Sioux City
source region
springer cow
Stara Vyzhivka
supervising device
supply company
tandem tractor
Tien An Men Square
twitching of eyelid
twittle-twattles
ursolates
USENET NEWS
Vernonia arborea
vertical wave
volume meter
wild kingdom
Yae-dake