防毒过滤材料

Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho

发表于:2018-12-02 / 阅读(208) / 评论(0) 分类 2017CRI中国国际广播电台

[00:03.89]You will hear three pieces of recorded material. [00:08.75]Before listening to each one, [00:12.90]you will have time to read the questions related to it. [00:17.55]While listening, [00:20.72]answer each question by choosing A, B, C or D. [

发表于:2018-12-03 / 阅读(242) / 评论(0) 分类 最新版英语听力教程

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(186) / 评论(0) 分类 VOA标准英语2014年(六月)

Several groups are denouncing the 35-year sentence that was given to Bradley Manning for giving hundreds of thousands of secret documents to Wikileaks. The White House says it's deeply concerned about reports that chemical weapons were used by Syria'

发表于:2018-12-15 / 阅读(204) / 评论(0) 分类 美联社新闻一分钟2013(八月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(236) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(189) / 评论(0) 分类 Scientific American(七)月

[00:03.81]bottom line :结余;结算 [00:05.82]bundle :n.搭售商品 [00:07.49]convention :n.(专业)展览会 [00:09.37]demonstration :n.展示 [00:11.46]entrance :n.入口 [00:13.29]go with :选择;决定采用 [00:15.17]high traffic :a.高流量

发表于:2018-12-31 / 阅读(283) / 评论(0) 分类 商务英语分类核心1000词汇

The political atmosphere, obviously, has been toxic and it is very clear that some of the votes that I have cast have added to the toxic environment, said Utah Senator Bob Bennett. 2010 is a congressional election year in the United States, and alrea

发表于:2019-01-13 / 阅读(173) / 评论(0) 分类 VOA标准英语2010年(五)月

African Countries Debate Using DDT in Anti-Malaria Efforts The chemical pesticide DDT has been banned by most countries for use in agriculture, but some continue to use it indoors to kill insects that carry malaria. In Zambia, it's an important part

发表于:2019-01-14 / 阅读(174) / 评论(0) 分类 VOA标准英语2011年(七月)

Frogs secrete compounds that could be used to battle MRSA and a new emerging bacterium that affects many wounded soldiers in Iraq. According to Mideast researchers, the amphibians could provide several new antibiotic compounds to fight drug resistant

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2010年(九)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(197) / 评论(0) 分类 VOA标准英语2014年(二月)

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(190) / 评论(0) 分类 VOA标准英语2014年(七月)

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(242) / 评论(0) 分类 2007年VOA标准英语(五月)

By Deepak Dobhal Washington 07 November 2007 Scientists in the United States have developed a new kind of battery that looks and feels just like a piece of paper. VOA's Deepak Dobhal reports its inventors say the battery's power and flexibility make

发表于:2019-02-05 / 阅读(179) / 评论(0) 分类 VOA常速英语2007年(十一月)

白骨精 female office elite 拜金女 money-worship girl; material girl 败犬女 loser dog 大姐大 alpha woman 干物女 dry fish; dull and listless woman 乖乖女 well-behaved girl; obedient girl 虎妈 tiger mother 姐(姐只是个传说中的

发表于:2019-02-07 / 阅读(146) / 评论(0) 分类 英语口语

有关于外贸跟单英语口语60句 1.whats the size?多大尺寸? 90x90 (ninety by ninety)九十乘九十。 2.whats the cmb? 体积多大? 0.07m3 (zero point zero seven cube meter) 0.07立方米。 3.whats the best/last price? 最低价是

发表于:2019-02-15 / 阅读(197) / 评论(0) 分类 天天商务口语

The APP, 'zenkr', allows students to participate in class, not through a show of hands, but by communicating through their smartphones. Users scan a QR code projected on screens with their smartphones or other devices and then answer questions. The r

发表于:2019-02-17 / 阅读(195) / 评论(0) 分类 英语新闻

19.At least 1 CTN. 至少一箱/件。 20.Theres minimum quantity.有最小起订量。 21.Can they be mixed?可以混装吗? 22.Mixed packing.混装。 23.Just a moment. Let me check.稍等,让我查一下。 24.Same price/size. 一样的价格

发表于:2019-02-19 / 阅读(198) / 评论(0) 分类 实用英语

文本: H: Come in. A: Doing your homework? H: Yeah. What's up? A: I was just reading some material on this truth up day. Figure if I'm going to supervise, I... H: You really don't have to go. I mean, it sounds pathetic. A: No, I want to go. I need

发表于:2019-02-23 / 阅读(160) / 评论(0) 分类 跟着美剧练发音

雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实

发表于:2019-02-26 / 阅读(184) / 评论(0) 分类 雅思英语
学英语单词
accidental circumstance
ack character
ancarolol
and a bit over
araneomorphs
backdoor financing
background activity
be cloyed with
bernes
bomb shock
BPMN
cerbromeningeal
cerebellar hemisphere
cigarette-boat
coach's line
coffee rolls
Comastoma stellariifolium
compris
concentration cell
cotyldeon
crouch-ware
cs(carbon steel)
cubage of excavation
decision-making power of enterprises
deposit size threshold
dial thickness gage
diamicron tablet
diffraction scattering
dispering agent
distribution of pipe
dobychin
Dugstad
ectopic intestinal mucosa
elasto-plastic range
electrodialysis spacer
entran
epigastric
ex officio principle
excess share
feel-bad
fisherman's knit
Fuamicillin
garburator
grandrelations
grid-power supply
Gurvich rays
half block model
hay crushing roll
Heegaard decomposition
hierarchical decision
hyalinocyte
incremental lines of dentin
intermittent gas-lift valve
joining lines for hull assembly
kidney clearance test
Kiloli
Kulikovskiy
lease rate factor
lizzie boy
machine-oriented language
marrow tumor
medical decision making
medical helminthes
megger insulation tester
molding beam
musculus longitudinalis super ficialis linguae
neutral party bill of lading
nominate contract
non-symmetrical section
nonlitigants
Notocheiridae
open stern frame
Oulujärvi
peak strength
perceived potential entry theory
portfolio value
pre-ejaculate
prepupae
propagation curve
prostitutely
Qaddafism
rackscope
radio horizon
riksbanks
running out system
sales order processing
silverplatters
special road
spelunkers
stagescapes
substitutory
synchronous receiving motor
tangible evidence
tap sb for sth
taquan
ten-to-one
through-and-through sawing
to josh
upon their good behavior
validation attribute
visible part
Xiushanian Stage