聚合物絮凝剂

Unit Thirteen [00:03.24]FLATS AND HOUSES [00:06.30]1.Look at the drawings of the two flats [00:11.83]and listen to David and Kate talking about them. [00:16.07]Which flat are they talking about each time? [00:21.03]Write down the number of the flat.

发表于:2018-12-07 / 阅读(190) / 评论(0) 分类 教你怎么听

[00:00.00] Unit 4 [00:01.70]Lesson 13 [00:03.55]professor [00:04.57]教授 [00:05.59]Tim [00:06.87]迪姆 [00:08.15]Watts [00:09.08]沃特斯 [00:10.00]been [00:10.78]成为 [00:11.55]have/has been toglad [00:14.13]曾经到过 [00:16.72]glad [00:17.

发表于:2018-12-10 / 阅读(217) / 评论(0) 分类 广州初中3A

AUDIE CORNISH, HOST: The mysterious death of a Border Patrol agent in West Texas last November led to two opposing theories. Some folks were convinced that smugglers or illegal border crossers attacked the agent with rocks. The local sheriff says he

发表于:2018-12-17 / 阅读(121) / 评论(0) 分类 2018年NPR美国国家公共电台4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(147) / 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(178) / 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(158) / 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(165) / 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(213) / 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(164) / 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(214) / 评论(0) 分类 Scientific American(四)月

04 My Dad's a Secret Agent Kenn Nesbitt My dad's a secret agent. He's an undercover spy. He's the world's best detective. He's the perfect private eye. He's a Pinkerton, a gum shoe, He's a snoop and he's a sleuth. He's unrivaled at detecting and unc

发表于:2019-01-09 / 阅读(172) / 评论(0) 分类 希望长着翅膀

A: I was calling in to see if there had been any response from the buyers regarding my counteroffer. B: Yes, the buyers agent just contacted me while I was at an Open House. A: Did they state whether the counteroffer worked for them or not? B: They a

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 卖房英语情景对话

AS IT IS 2014-04-23 Agent Orange Removal Continues in Vietnam Hello, my friends, and welcome back to the program that helps you learn and improve your American English. Im Jim Tedder in Washington. Today we return to Southeast Asia to hear about effo

发表于:2019-01-12 / 阅读(185) / 评论(0) 分类 2014年VOA慢速英语(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(122) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Matt Steinglass Hanoi 26 June 2007 When Vietnamese President Nguyen Minh Triet met United States President George Bush in Washington last week, they announced new efforts to tackle the damage caused by Agent Orange. Although the countries agreed v

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 2007年VOA标准英语(六月)

'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(233) / 评论(0) 分类 VOA标准英语2016年(二月)

今天我们要学的词是nerve agent. Nerve agent 神经毒剂。British officials said the chemical nerve agent known as Novichok was used in the attack on an ex-Russian spy and his daughter. 英国官员说,对一名前俄罗斯间谍和他女儿

发表于:2019-01-26 / 阅读(172) / 评论(0) 分类 英语单词荟萃

Owen joins Stoke as free agent LONDON, Sept. 4 (Xinhua) -- Former England striker Michael Owen has signed for Stoke City as a free agent, said the English Premier League side on Tuesday. The 32-year-old sealed a one-year contract with Stoke after bei

发表于:2019-02-05 / 阅读(173) / 评论(0) 分类 英语新闻

RIO DE JANEIRO, Feb. 20 (Xinhua) -- The agent of Brazil starlet Neymar has accused Pele of hypocrisy and jealousy after the football legend's stinging attack on the 21-year-old's attitude. In a controversial newspaper interview published on Wednesday

发表于:2019-02-07 / 阅读(222) / 评论(0) 分类 英语新闻

Eternal Wave, a Chinese movie set during the anti-Japanese occupation era is set to be released in Chinese theatres on Friday. Eternal Wave or Mi Zhan(密战) as it is known in Chinese follows Lin Xiang, a secret agent working underground to reestabl

发表于:2019-02-14 / 阅读(166) / 评论(0) 分类 2017CRI中国国际广播电台
学英语单词
aircraft tyre
alyse
Anaya de Alba
anthyllis
AS-PCR
available work
baladas
Ban Klang Dong
bears out
biflagellospora japonica
bitter earth
bleaching clay
blind lantern
bloomsburies
borner
Bylas
cereolus
cervicalia jugular sclerites
chone
Clunie, Glen
comparative instruments
confined well
contraction schedule
corniculate
counseling psychologist
cryptolite
dark ground illumination
diffraction curve
dormant judgement
extradigestive
fibre setter
fibresphere
first generation microcomputer
Flixor
flushing of zygomatic region
front-feet
ghawar
graphite vessel
gybelet
halleys
Hecker's law
high-mica
homalium cochinchinensis
humpie
hydraulic test of tailshaft sleeve
hydrostatic gas bearing PIGA
incombines
inductive gage
itzhaks
life experiences
limians
listhesis
Machumetan
marginal tax rate
mediolateral episiotomy
minimal
misconceipt
Molisch's reaction
mudbanks
multiple coreprint
muttering delirium
national grid compang
Novolin
on-screens
one shot of chain
Oslo breakfast
palisadoes
paratimomenus incognitus
patch out
pectin-
perdures
persistent mentoposterior position
pick up stripper
planographic printings
Pleurobranchaea
plough my lonely furrow
Polycarpon
pteridrys cnemidaria(christ)c.chr.et ching
pulvis aromaticus
q-r
rashing column
reads the riot act
sheiling
shelter-wood selection system
short-circuit ratio
sinthomosexual
slayor
smoke signal
sodium platinochloride
sphagnorubin
spilosmylus asahinai
springbucks
sueter
table beet
tampans
vascory
Viognier
volt-ohm-milliammeter
yeelens
zapped us
Zelco