四氧化二砷

The cosmetics [00:01.04]妆海沉浮 [00:02.09]Across all cultures,across all centuries,we've painted our bodies,marked our faces with ochre and ashes,mascara and rouge. [00:08.03]跨越不同的民族,历经不同的年代,我们一直在身体上

发表于:2018-11-28 / 阅读(157) / 评论(0) 分类 零距离李阳疯狂英语口语

Being old is when you know all the answers, but nobody asks you the questions. (Anonymous) Six months before she died, my grandmother moved into an old people's home and I visited her there when I was in Britain. She was sitting in the living room wi

发表于:2018-12-07 / 阅读(79) / 评论(0) 分类 英文杂志-Magazine

From Chernobyl to La Oroya, Peru, the world is littered with toxic wastelands, the residue of human industry. For the past two years, the Blacksmith Institute, an environmental health organization based in New York City, has been cataloguing the worl

发表于:2018-12-24 / 阅读(45) / 评论(0) 分类 Scientific American(十)月

These were permissive times, and in 1970, one legendary director finally brought his long-harboured homage of Holmes to the screen. 当时性风气相当开放。1970年,一位传奇导演终于将他对福尔摩斯的长久敬意搬上了银幕。

发表于:2019-01-01 / 阅读(98) / 评论(0) 分类 如何成为福尔摩斯

DEVELOPMENT REPORT - Designs: a Water-Purifying Straw, a Firewood-Saving CookstoveBy Jill Moss Broadcast: Monday, October 30, 2006 This is the VOA Special English Development Report. Today we tell you

发表于:2019-01-02 / 阅读(63) / 评论(0) 分类 2006年慢速英语(十)月

Broadcast: May 12, 2003 By Jill Moss This is the VOA Special English Development Report. Each year, millions of people in Bangladesh drink ground water that has been polluted by naturally high levels

发表于:2019-01-02 / 阅读(108) / 评论(0) 分类 VOA2003(上)-社会广角

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 VOA2003(下)-农业与经济

This town here has sort of been going through clean-up. People are trying to salvage things from their houses, but the reality is when you talk to them, there's nothing they can salvage when has been touched by this red toxic chemical mix. People sho

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 CNN2010年(十)月

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 Scientific American(十一)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(88) / 评论(0) 分类 Scientific American(十二)月

The US House is expected to vote this hour on whether to extend expiring tax cuts for everyone, including the wealthy. NPR's Andrea Seabrook reports the issue's been generating heated debate. Democrats say they want to keep lower tax rates from middl

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 2010年NPR美国国家公共电台12月

A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 英文语法词汇

This is the VOA Special English Development Report. Every day, millions of people around the world drink water from wells that are polluted with high levels of arsenic. Arsenic is an element that can be released into groundwater by soil and rocks. Ov

发表于:2019-01-11 / 阅读(63) / 评论(0) 分类 VOA慢速英语2007年(二)月

Tests Show Levels of Arsenic in US Rice Two hundred different types of rice and rice products tested by both the non-profit research group, Consumer Reports, and the U.S. Food and Drug Administration [FDA], contained varying levels of different forms

发表于:2019-01-13 / 阅读(80) / 评论(0) 分类 VOA标准英语2012年(九月)

Conventional wisdom about diets, including government health recommendations, seems to change all the time. 人们对饮食的普遍看法,包括政府的健康推荐,似乎永远都在发生变化。 And yet, ads routinely come about claiming to

发表于:2019-01-17 / 阅读(52) / 评论(0) 分类 TED演讲教育篇

And I went to talk to them about certain of the great tragedies of Western art. 我去找他们聊聊西方艺术中最伟大的几个悲剧故事。 I wanted to see how they would seize the bare bones of certain stories, 我想知道他们会如何露

发表于:2019-01-18 / 阅读(71) / 评论(0) 分类 TED演讲教育篇

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性(的) anion 阴离子 annual 一年生植物,一季生植物 anther 花粉囊,花药 anthocyanin [植]炭疽病 antibiotic 抗生

发表于:2019-02-09 / 阅读(130) / 评论(0) 分类 英文语法词汇

If President Donald Trump were a food, what food would he be? 如果特朗普是种食物,他会是啥? If Trump were a food hed be a creampuff filled with poisoned and infectious cream filling. The gooey cream would be chock full of lead, mercur

发表于:2019-02-18 / 阅读(64) / 评论(0) 分类 英语新闻

The proportion of hazardous metal toxins in PM2.5 in Beijing has decreased for the past three years, which experts lauded as the initial achievement of the city's anti-smog measures. 过去三年,北京市PM2.5中对人体有害的金属毒素的比重

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 英语新闻

Get enough sleep I have a theory about sleep. My theory is this: everyone who routinely uses an alarm clock suffers from chronic sleep deprivation. Using an alarm clock a few times a year (to catch a plane or have a phone call with someone in another

发表于:2019-02-18 / 阅读(84) / 评论(0) 分类 阅读空间
学英语单词
advoutresses
alkalinized
anked
Artehard
attackman
automatic space laboratory
badamia exclamationis
be dissolved in tears
beat someone at his own weapon
Bill Brandt
brom(o)-
Business Planning and Control System
campanula medium l.
Chat, Mt.du
chicken roll a la kiev in mushroom
childir
cofibrations
command economies
committee
committee of sales organization
consumer nondurable goods
cool storage
cryosections
deathless
desert sand rat
desferrioxamin
disability retirement
dissecting pan
Dopdopdop
dyhouses
echotrap
equivalent sweep speed
extra-judicial
fail-safest
fibrous angioma
filament electrometer
fineness of sand
fist pumped
free energy of melting
front projection
frontline
gingerbread offices
God bless my life !
guaimesal
hexacosanes
home-built
horizontal-synchronizing impulse
ice wave
inspired gas
keep a tight hand on someone
light wire pliers
management by domination
maxillary protraction
Mbon
meristoderm
metering vessel
millenarists
mnd
momentum exchange coefficient
mondoes
monosynaptically
mugilogobius fontinalis
nelavan
nonproduction bonus
novales
oreomyrrhis involucrata hay.
palidia
paranemic coil
periodic element
phytogeography
pieties
pigeonhole principle
pinolillo
pitch-board
plegmatium
professionalisms
renewal counting processing
Reserpone
residue cracking
resistance to drugs
roman columns
scabrisetus
Schumann rays
signal preamplifier
single-action pressing
state-space theory
steamed bread
step and platform topography
synfacial reaction
target mutation
Teiga, Jab.
telepolariscopes
topic map
transfer credit voucher
trenet
trilinguists
ultrasonic scanner
uncovered refrigerator
vertical diffusion coefficient
wattle and daub
without danger
yocto-coulomb