半自然生态系统

[00:02.55]第三单元 五大湖 [00:05.09]Lesson 9 1 Read and act [00:08.18]第九单元 读和表演 [00:11.26]Hey Kevin, where did you say you were born? [00:13.53]嗨,Kevin,你说你在哪里出生的? [00:15.80]I was born in Michigan, USA. [00:1

发表于:2018-12-01 / 阅读(95) / 评论(0) 分类 初中英语人教版初三

The Gulf Coast is bracing for the shoreline impact of the worst oil spill the region's ever faced. NPR's Debbie Elliott reports the growing oil slick threatens wildlife, fisheries and beaches from Louisiana to Florida. Louisiana Governor Bobby Jindal

发表于:2018-12-02 / 阅读(91) / 评论(0) 分类 2010年NPR美国国家公共电台4月

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(80) / 评论(0) 分类 VOA标准英语2013年(三月)

This would put a pipeline to take natural gas 将设置天然气运输管线 from the Beaufort Sea through the heart 从波弗特海穿越 of the third largest watershed basin in the world, 世上第三大水域中心 and the only one which is 95 per

发表于:2018-12-08 / 阅读(89) / 评论(0) 分类 TED演讲娱乐篇

The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are

发表于:2018-12-16 / 阅读(67) / 评论(0) 分类 2015年VOA慢速英语(九)月

Researchers Find Bright Side to Some Invasive Species Non-native species present threats to natural environments across the world by pushing out native organisms. Their presence can seriously damage ecosystems that provide clean water, food and other

发表于:2018-12-16 / 阅读(62) / 评论(0) 分类 2018年VOA慢速英语(十)月

[00:08.59]Lesson 9 1.Read and act [00:14.24]Hey Kevin,where did you say you were born? [00:18.78]I was born in Michigan,USA. [00:23.01]There are a lot of lakes up there,aren't there? [00:27.56]Yeah,I lived on Lake Superior. [00:31.40]Have you ever sw

发表于:2018-12-18 / 阅读(238) / 评论(0) 分类 人教版九年级英语

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(五)月

What Is The biggest Mindfuck Ever? 哪些知识最毁三观? 得票最多的回答 @Henry Johnson 1. The continents look entirely different than you think they do. 1.大陆板块本来的样子跟你认为的完全不一样。 The map youre used to

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 轻松英语

Lonely bug NB: This is not an accurate word-for-word transcript Dima:Hello and welcome to this edition of 6 Minute English with me, Dima Kostenko Rebecca: and me, Rebecca Byrne. Dima:Today we'll have some useful words and phrases used in science and

发表于:2019-01-10 / 阅读(91) / 评论(0) 分类 六分钟英语

Severe Drought, Wildfires Threaten Water Resources This is Valles Caldera. Actually, it's the giant mouth of a dormant super volcano that last erupted 40,000 years ago. In the millennia since then, the terrain developed high-elevation forests, of abu

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2012年(一月)

Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc

发表于:2019-01-13 / 阅读(95) / 评论(0) 分类 VOA标准英语2010年(七)月

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2010年(七)月

托福考试话题词汇汇总 whitepollute白色污染 sustainabledevelopment可持续发展 ecosystem生态系统 environmentalpollution环境污染 over-fishing(overgrazing)过度捕捞(过度放牧) sandstorm沙尘暴 resourceexhaustion资源枯竭

发表于:2019-01-17 / 阅读(73) / 评论(0) 分类 托福英语

On the sidelines of CES in Las Vegas, Ceasars Entertainment partnered up with WeChat to give tours of new smart hotel rooms at The LINQ, a local hotel and casino. Visitors could use an app inside WeChat to control lighting, thermostats, and curtains.

发表于:2019-02-06 / 阅读(128) / 评论(0) 分类 英语新闻

Technology shows such as the annual E3 games conference in Los Angeles have become known for their scantily clad 'booth babes' designed to attract people to stands. 在洛杉矶,一年一度的E3游戏展以穿着暴露的展品模特儿闻名。 H

发表于:2019-02-09 / 阅读(74) / 评论(0) 分类 阅读空间

Sorry, Alibaba. Internet portal Tencent is the most valuable brand in China, according to a new ranking by research company Millward Brown. 调查公司华通明略给出的最新排名:对不起,阿里巴巴。中国最有价值的品牌已经是门

发表于:2019-02-09 / 阅读(96) / 评论(0) 分类 阅读空间

About one half of all iPads circulating around the globe are assembled in the southwestern metropolis of Chengdu. Already a hi-tech manufacturing base in the western region, the city is now aiming to become the next Silicon Valley. CRI's Hu Jia has m

发表于:2019-02-14 / 阅读(117) / 评论(0) 分类 世界各地新闻集锦

Ive been a World Cup enthusiast for longer than I care to admit, but I still dont consider myself any kind of expert on soccer. I have, however, become an expert on watching World Cup matches during work hours. Im taking the risk of getting fired for

发表于:2019-02-17 / 阅读(44) / 评论(0) 分类 阅读空间

LOS ANGELES, April 18 (Xinhua) -- Sugarcane(甘蔗) has the effect of cooling temperatures(温度) , thus playing role in stemming global warming, a new study has found. Sugarcane does so by reflecting sunlight back into space and by lowering the

发表于:2019-02-18 / 阅读(81) / 评论(0) 分类 英语新闻
学英语单词
advise sb.against sth.
albert sabins
ambiguity of power and duties
an ad balloon
anacrotic incisura
ant bear
AOLer
benzene-air mixture
Biliran I.
blowing snow
brigadier generals
change with every wind
chip flow type
class liliopsidas
coastguardsman
comes to the point
complex phase
cyclophorids
dipping coil primary meana
Duke of York Islands
eagerl
elicits
elluls
energy dissipator through friction loss
episcopize
esono
european cranberry bushes
eygres
flash cuts
forevacuum valve
formulaic expressions
fornicarer
gaseous current
gaseous isotherm
gross control
Gulf of Mannar
hartsdale
herbologists
histerids
interest or no interest
jaffnas
Jardinópolis
Lanchou
lounges
machinery-aft ship
magma igneous
Mairipotaba
maja squinadoes
maximum normalized cable attenuation
milammeter
monochrome reproduction
moustached warbler
multi-class
Myemulchung
Northwest Ordinances
office of her majesty's chief inspector of schools in wales
overrider
parasinoidal spaces
permanent-magnet-coil instrument
phoma oryzicola
phosphorus alloy
polytetrafluoroethylene wire
puncture fluid of serous cavity
quartermaster general
quasi-stable adjustment
rear compression
reburgeon
remote-control balance
repeated difference
rheumatoid pneumoconiosis syndrome
ritalins
river characteristics
rod configuration
scenarise
Seoulite
shaft layout
signed magnitude arithmetical
slossitis rhomboidea mediana
smooth tube
socio-linguisticss
star cluster
steam pipe line
still further notice
strontium anorthite
sulindac
surface work function
Takayashu's disease
tenogenic
textbook law
the late
time of transmission
toxiderma
trial board
unsurveyed coastline
Urinorm
vendettist
Vevay
VMM
Walker Seamount
weighbridges
whitewater rafting
Wilsonian