颗粒性磷;散式磷

Science and technology: Air-pollution: Breathtaking 科学与技术:空气污染:屏气吞声 Air-quality indices make pollution seem less bad than it is. 空气质量指数粉饰了空气污染情况。 Smoking a whole packet of cigarettes in a

发表于:2018-12-05 / 阅读(120) / 评论(0) 分类 经济学人科技系列

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(107) / 评论(0) 分类 英国学生科学读本

Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢

发表于:2018-12-18 / 阅读(95) / 评论(0) 分类 2018年NPR美国国家公共电台2月

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(十二)月

A trickle of statements from Chinese leaders in recent months have given hope to some residents of Beijing and other smog-choked Chinese cities that they might regularly breathe clean air within a few years. Prime Minister Li Keqiang in March declare

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 英语笔译

This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that

发表于:2019-01-11 / 阅读(162) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce

发表于:2019-01-12 / 阅读(137) / 评论(0) 分类 2007年VOA标准英语(七月)

This week, the British oil company BP issued a controversial report on the cause of the massive oil spill in the Gulf of Mexico four months ago. Regardless of who was at fault, the release of an estimated four million barrels of oil had a major envir

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 VOA标准英语2010年(九)月

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

发表于:2019-01-17 / 阅读(123) / 评论(0) 分类 2018年NPR美国国家公共电台7月

3月5日在京召开的十二届全国人大三次会议开会间隙,著名呼吸道疾病专家,全国人大代表钟南山接受媒体采访。[魏晓昊/中国日报] It might take China a decade to tackle its notorious smog problem, said Zhon

发表于:2019-01-23 / 阅读(140) / 评论(0) 分类 英语新闻

The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor

发表于:2019-01-29 / 阅读(115) / 评论(0) 分类 万物简史

Effective pollution controls adopted in 161 major Chinese cities have greatly improved air quality, a green organization said last Monday. 一家绿色环保组织上周一表示,中国161座主要城市采取的有效的污染防治措施使空气质

发表于:2019-02-04 / 阅读(125) / 评论(0) 分类 英语新闻

BEIJING, April 19 (Xinhua) -- China's environmental watchdog said on Thursday that it will work to promote the prompt disclosure of air quality reports and monitoring results for other types of pollution. The disclosure of information on major pollut

发表于:2019-02-09 / 阅读(124) / 评论(0) 分类 英语新闻

BEIJING, Feb. 20 (Xinhua) -- The pressures of severe air pollution have prompted China's environmental watchdog to consider pushing forward a legal ban on barbecues in densely populated urban areas. Barbecues should be strictly controlled in cities t

发表于:2019-02-11 / 阅读(117) / 评论(0) 分类 英语新闻

中国雾霾,近几年不仅仅成为国人议论的热点话题,更是成为了国际议论的热点话题。在托福阅读中,我们可以将中国雾霾的一些知识作为托福阅读背景知识来了解。小编搜集了一些关于中国

发表于:2019-02-13 / 阅读(115) / 评论(0) 分类 托福英语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(125) / 评论(0) 分类 英语新闻

BEIJING, Feb. 5 (Xinhua) -- China will make more efforts to reduce PM 2.5 pollutants, as well as other pollutants, a government official said Tuesday. A national obligatory target will be set to limit PM 2.5 emission, which is a fine particulate matt

发表于:2019-02-18 / 阅读(123) / 评论(0) 分类 英语新闻

Air pollution 空气污染 Not breathing easy 呼吸不易 A Supreme Court ruling forces the government to deal with dirty air 英国最高法院的裁决迫使政府出策解决空气污染问题 BRITISH air is much clearer than it once was: in 1952

发表于:2019-02-24 / 阅读(127) / 评论(0) 分类 经济学人文艺系列

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(143) / 评论(0) 分类 雅思英语

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(118) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abd al maasir hill
acyclic circuit
adherent cell
agreed par value
alastrims
albertans
array declaration
Arthur's Pass
as a reference
Bienville, L.
buick
Caapiranga
carry sb through
catastrophic illnesses
certificate of award
certification contact phone number
convex jet
CRS (command retrieval system)
CSA (carry-save adder)
date of acquistion
DDMMYYYY
dead and down
Debye pattern
decreation
demeters
digital measuring technique
dimethyl sulfate
direct mounted disk plow
doldrumss
ellentric anomaly
energetic particle event
expansion reamer
extracorporeal lithotripsy
family Schistosomatidae
flumedroxone acetate
flying health care
glaphyra cyanescens
hastary
hyposialadenitis
i-wersed
internal-grinding
irreproach
isolating distance
Jasło
karakassis
kinematic
koerting
Lamium maculatum
large duty
light power meter
localized regulation
marmaset
metallized plastic
mixed bullous disease
mixed cell lymphosarcoma
multi-alternative stage
N-2 gas tank pressurizing unit
neo-psychoanalysis
not assigned
nozzle slice
nuchal tubercles
orthotropous ovules
permanent court of arbitration
programmable interface
rainy spell
regional chart
Reisdorf
reshooting
rhubarb plants
rice stunt disease virus
Rickenbacker, Edward Vernon
roach holder
rolling cone
sabe
sarcomycin
second-guessers
select
shipbuilders' policy
single-cell for electrolyzation
Solyom
southernization
sphericist
square flag
St-Ferdinand
strip light
substitution section
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suction-cup
tendergreens
thin film physics
tin drum
tracking circuit
transmission brake
undertrumps
unit power consumption
universal Turing machine
uranium vein
usurpable
vitalstatistix
voust
walkerette
webbies