昇汞沈淀反应

Severe drought has sent river levels in parts of central and northern China to record lows, affecting millions of hectares of farmland and leaving more than a million people short of water。 严重干旱已导致华中和华北部分地区河水水位

发表于:2018-11-29 / 阅读(128) / 评论(0) 分类 英文语法词汇

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(81) / 评论(0) 分类 VOA标准英语2014年(六月)

AS IT IS 2014-10-02 Scientists Predict More Severe Storms Worldwide 世界各地的科学家预测将会有更严重的风暴 As the worlds population grows, extreme weather conditions affect more and more people. The weather events may include flood

发表于:2018-12-16 / 阅读(46) / 评论(0) 分类 2014年VOA慢速英语(十)月

嘉宾:Debbie Mason 话题:Chinese doctor. 中医 单词拼写: 1、Surgery:be cutting up 2、Cancer:crab, 癌症 重点俚语: 1、Complement each other:mutually helping something benificial 2、The purpose is the same:目的一致 问

发表于:2018-12-27 / 阅读(71) / 评论(0) 分类 聆听悦耳英音

After isolated areas of severe weather over Taipei, the region's rainfall has tapered off a bit. 在台北的某些局部地区经过一场恶劣的气候之后,该区域的降雨量已逐渐缓和。 Light to moderate rain continues to fall over n

发表于:2018-12-28 / 阅读(49) / 评论(0) 分类 赖世雄英语新闻听力通

V. Lets Talk Script A natural disaster is the consequence of a hazardous event, occurring when human activities are affected by adverse natural phenomena such as flood, drought, hailstorm, heat wave, forest fore, hurricanes or typhoons, tornado, tsun

发表于:2018-12-29 / 阅读(79) / 评论(0) 分类 新视野大学英语:视听说教程 4

As you know, much of the nation including the south is still in the grips of an arctic blast. Here is what we know at the time. Frigid temperatures blamed for at least seven deaths across the nation. But, today, snow is a real concern in several sout

发表于:2019-01-08 / 阅读(237) / 评论(0) 分类 CNN2010年(一)月

今天我们要学的词是knee-jerk reaction。 Knee-jerk reaction, 膝跳反应,意思是本能的第一反应。 Investors' knee-jerk reaction to the market downturn led to a sell-off, 投资人对市场下滑作出的本能反应造成股价暴跌

发表于:2019-01-09 / 阅读(122) / 评论(0) 分类 英语单词荟萃

NASA Keeping Watch on the Earths Health 美国国家航空航天局保持关注地球的健康 The past year has been the busiest 12-month period for the American space agency in more than 10 years. The National Aeronautics and Space Administration,

发表于:2019-01-12 / 阅读(59) / 评论(0) 分类 2015年VOA慢速英语(二)月

今天我们要学的词是knee-jerk reaction。 Knee-jerk reaction, 膝跳反应,意思是本能的第一反应。 Investors' knee-jerk reaction to the market downturn led to a sell-off, 投资人对市场下滑作出的本能反应造成股价暴跌

发表于:2019-01-16 / 阅读(150) / 评论(0) 分类 英语每日一词

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(76) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(130) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(88) / 评论(0) 分类 自然百科2009年

大气ATMOSPHERE 大气组成Atmosphericcomposition 空气质量Airquality 大气化学Atmosphericchemistry 大气成分Atmosphericcomponents 大气颗粒物Atmosphericparticulates 二氧化碳Carbondi

发表于:2019-02-02 / 阅读(108) / 评论(0) 分类 英文语法词汇

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(80) / 评论(0) 分类 地道美语播客

Much of the southern half of the country continues to battle heavy rains which have been nearly relentless for weeks. According to meteorological authorities. In China's Jiangxi and Guangxi areas the rainfall has already passed average precipitation

发表于:2019-02-05 / 阅读(114) / 评论(0) 分类 cctv9英语新闻2015年

LANZHOU, March 26 (Xinhua) -- About 4.35 million people in northwest China's Gansu Province have been affected by a weeklong drought, provincial authorities said Tuesday. A lack of precipitation and increasingly dusty weather conditions have affected

发表于:2019-02-05 / 阅读(65) / 评论(0) 分类 英语新闻

BEIJING, May 31 (Xinhua) -- Precipitation has helped ease a lingering drought in Yunnan and Sichuan provinces and conditions will further improve as rainy season arrives, the drought relief authority said on Thursday. Recent rainfall has alleviated 2

发表于:2019-02-18 / 阅读(69) / 评论(0) 分类 英语新闻

剑桥雅思11发售后,很多同学都争相购买,老师们也是加班加点看新题,当下命题趋势变幻莫测,全靠剑桥系列指引方向。今天方振华老师为同学们带来剑11阅读生词文章注解。 stride 进步 ste

发表于:2019-02-19 / 阅读(91) / 评论(0) 分类 雅思英语

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(143) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
accessibility information
accessory flexor muscle
agglutinating
air-to-glass transition
Alpine hats
ambly-
AMDG
angle-off
animatest
antiamnion antiserum
appels
ben davis pt.
bypass cock
cell - mediated immune response
centrifugal storage pump
ceramic superconductor
colic vein
concitizens
core-periphery model
corpus spongiosum
cosmogenic nuclide
country inn
crosstables
cylinder yankee machine
daftar
davy joness
deprotecting
directly-heated thermistor
dogies
domestic gas appliance
drlove
entraped penetrant
feed(water)pump
file utilization
fine pearlite structure
flexible-metal roofing
flying fortress, Flying Fortress
freeze onto
Fresnel region
Functional keys
genus Chiton
gib and cother
God tempers the wind to the shorn lamb
grifta
head-pan
in-and-out movement
integral algebraic number
Kaukkwè Hills
line interiace
Margherita Peak
multi-dimensional code
multi-spindle borer
naphthalene halide
non-thought
O/E
open kettle method
paper dispenser
parallel course
participative government
peach girl
percussive stress
peristerion
plain-table
pluck at the chance
PORP
production resource
prown
pseudovertigo
psychophysicist
quasi-spherical
quiz program
relishingly
rhinomaxillary
S. & G.
satellite-acoustics integrated positioning system
schifano
scriked
self docking dock
severances
shirred fabric
shockablest
single quill
slaty clay
Southern Pacific Steamship Line
spoke out
spoliaopima
stagnation point movement
stuffed cabbage
sub-10 nm pattern
super coil
tax clinic
telefonos
testis convoluted tubule
Thalattosuchia
there's no time like the present
Tower Point
tschebyscheff inequality
tyld
unsymmetrical flower
uridine diphosphate glucuronic acid
wheese
wild trajectory