群落生态系(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(113) / 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(104) / 评论(0) 分类 2010年NPR美国国家公共电台4月

【今日基础词】Community 【Transcript】 A: Would you like to join the VolunteersLeague? B: Do you think Im crazy? I just quit the Student Council. I dont want to be so busy. I gave up a good chance of getting scholarships for that。 A: Joini

发表于:2018-12-05 / 阅读(71) / 评论(0) 分类 听基础单词练听力

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(107) / 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(110) / 评论(0) 分类 TED演讲娱乐篇

New York Bay Cleanup Focuses on Hindu Ritual Items The sound of gentle waves and the call of wild shorebirds are normally all you can hear on the shores of Jamaica Bay Wildlife Refuge, an oasis of nature just a few kilometers from the bustling urban

发表于:2018-12-16 / 阅读(66) / 评论(0) 分类 VOA标准英语2011年(四月)

[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(257) / 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(90) / 评论(0) 分类 Scientific American(五)月

Life was not easy when Emma Seguy first arrived in Mesa, Arizona. The 20-year-old was born in Paris, France. But when she was 16, she decided she wanted to be more independent and to try something new. So, Seguy asked her parents if she could complet

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 2018年VOA慢速英语(六)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(160) / 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(115) / 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(171) / 评论(0) 分类 VOA标准英语2012年(一月)

Study: Giving Local Fishermen Control Prevents Overfishing Exponential decay Tropical coral reefs are fertile fishing grounds for some 200 million small-scale fishers around the world. But many of these reefs are in decline. Tim McClanahan with the W

发表于:2019-01-13 / 阅读(82) / 评论(0) 分类 VOA标准英语2012年(四月)

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(113) / 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(100) / 评论(0) 分类 VOA标准英语2010年(七)月

A new study shows community health workers can effectively and safely treat malaria and pneumonia with just a little bit of extra training. In many rural areas throughout sub-Saharan Africa, an important primary medical resource is the network of vol

发表于:2019-01-14 / 阅读(98) / 评论(0) 分类 VOA标准英语2010年(九)月

> 38 信息和通讯技术的发展使人们广泛运用互联网成为可能 DATE=4-23-01 TITLE=DEVELOPMENT REPORT - Community Broadcast Radio BYLINE=Gary Garriott (Start at 59

发表于:2019-01-30 / 阅读(464) / 评论(0) 分类 科技之光

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(120) / 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(139) / 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(63) / 评论(0) 分类 阅读空间
学英语单词
achromatopsic
acquisition and cross-servicing agreement
Alboin
ammonium chromic sulfate
anarkali
anger-provoking
be up in
border dispute
Brownian motion
cabicidin
canvas dodger
capacitive relay
causal investigation
checkrod
cheek of crank
chemical additive
child carrier
Cirsium eriophorum
competitive dominance
Confidentiality.
constraint force
Crede's maneuver
cruftiness
Cuddia, R.
Cumberpeople
cutting-shoulder
decidua membrana
delpy
democratic ideal
devil's staircase
dooce
drain on cash
dysfunctional(uterine)bleeding
earnings yield
engineering fluid dynamics
ericksonian
evaporator area
experimentalist
feeder process
foehn climatology
galvanized steel sheets
goofballs
gross national expenditure
hhg
Horatius Cocles
hydraulic riveting
indefectuous
kerstoleptynsis
liquid bomb
liquid crystal state
long-term strength
MAC (maximum air concentration)
mail van
Malima I.
mcnutt
ministerships
molybdenum disulfide lubricant
momentum-range method
nonheritable
North Vernon
open span
Pentonville prison
pitangas
poop-scoop
pre-insulated connection
question-answerings
relin
resurrectors
retrophiles
revenues from taxes
Rolando's fibers
Santa Rufina
sea surface albedo
semi-radial reciprocating compressor
ship canals
short-circuit protection
shrimp cracker
signal input interrupt
smart-card
strong-handed
sulfimine
swifter a lashing
syneruptive
tadmor
taipower
test for identification
the middle way
topsider
transitional cell carcinoma of renal pelvis
travel(l)ing bed
trilinguals
trilliants
uk food
uk sugar
uncatalysed
upper bound method
vertical dynamic balance method
vestings
watershed area
wavy line
Xaverians
young ones