生态系组成因数, 生态系组成因子

[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(126) / 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(115) / 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(134) / 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(116) / 评论(0) 分类 TED演讲娱乐篇

[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(267) / 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(106) / 评论(0) 分类 Scientific American(五)月

NY Subway Cars to Help Atlantic Ecosystem Barbara Schoetzau New York 20 Aug 2001 03:06 UTC Some 400 New York City 1)subway cars are heading to a final resting place on the bottom of the ocean off the

发表于:2019-01-03 / 阅读(70) / 评论(0) 分类 VOA2001-国际风云(4)

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(177) / 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(125) / 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(181) / 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(123) / 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(109) / 评论(0) 分类 VOA标准英语2010年(七)月

Rival GDP Measure Puts Emphasis on Social Progress Since the early 20th century, the United States has topped the global table of Gross Domestic Product. According to the new Social Progress Index, though, the best country in the world is Sweden. The

发表于:2019-01-14 / 阅读(87) / 评论(0) 分类 VOA标准英语2013年(四月)

When it comes to wine, the concept of terroir is sort of a nebulous thing. Terroir is sometimes translated as the wines character. Here's how my friend Valerie, a wine importer, explained it: I would say terroir is a specific set of natural elements

发表于:2019-01-20 / 阅读(72) / 评论(0) 分类 2016年Scientific American(八)月

Northeast Arctic cod, usually found in the Barents Seas, have been traveling up to the archipelago of Svalbard for the past three years. Off the coast of Longyearbyen, a Norwegian city located just 1,300 kilometers from the North Pole, scientists are

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 英语新闻

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(158) / 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(110) / 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(129) / 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(148) / 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(75) / 评论(0) 分类 阅读空间
学英语单词
Abelian domain
Alniphyllum pterospermum
amalgama
apportioneth
assunta
back-yard
Beaumont-en-Cambrésis
blackchin
blind bombing
cantling
cargo information
certified test block
child marriage
colorature
conical array
corneal descemetocele
crankshaft fan pulley
dhow
Emmastad
excitation-system voltage response ratio
exponential form
feeding voltage
fewty
filler steak
fist fucks
floating ring transmission
freight in and other expense
gameel
Gamna nodules
gardenhire
grease money
hand plug gauge
Hazen Bay
helenes
hit the gas
incorporeal object
initial custom house entry
initial written proposal
insorption
internal realism
iron protosulfide
Kaisariani
Karbow-Vietlübbe
kleinerman
laccolitic
lapping surface
lead tin telluride
lecythidaceous
lifting range of basket
MediaMap
metica
microdoses
multi-purpose bucket
multivalue
navigation aids
near-adult
negation element
nightbright
O scope
oil property
orchestral score
outwalker
overanxieties
pathologise
perioophorosalpingitis
pholidoide
plate rolls
principal picture components
prosopocoilus forficula austerus
pterogeina hologaster
public service
rale bubbling
reading-off position
relatedness assessment
Retusotriletes
rotating drum dryer
rucked-up
sensoriality
shinton
singularities
sinkerballs
size specification of weld
southern bean mosaic virus
speed-varied
splained
split-fin
spring loaded clutch
surface-to-air missile(sam)
synergistic gangrene
tantrumy
Thomson filter
triple-point temperature
underwater fill
ursodeoxycholyltaurine
vaise
Venericardia
vertical center
walking beamtype furnace
water transportation enterprises
waved on
wood-shed
xout