【生物学】温带雨林

Burning coal for energy adds planet-warming carbon dioxide, or CO2, to Earths atmosphere. As the planet heats up, experts warn that simply cutting greenhouse gas emissions will not be enough to avoid possibly disastrous levels of global warming. CO2

发表于:2018-11-27 / 阅读(372) / 评论(0) 分类 2018年VOA慢速英语(十一)月

AGRICULTURE REPORT - Protecting the Nation's Forests By Mario Ritter Broadcast: Tuesday, November 15, 2005 I'm Steve Ember with the VOA Special English Agriculture Report. The Forest Service is respon

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 农业与发展

Vines Overwhelming Trees in Rain Forests Tropical rain forests in the American Hemisphere and other regions of the world are changing rapidly. Studies conducted over recent decades indicate that increasingly, most of the trees in South and Central Am

发表于:2018-12-16 / 阅读(139) / 评论(0) 分类 VOA标准英语2011年(九月)

MODEL2 Things are a bit out of balance. Script John: The seventh straight day of rain. Its too much. Things are a bit out of balance. Susan: Yeah, too much rain here, too little there. Last summer firestorms destroyed many parts of the globe. John: F

发表于:2018-12-29 / 阅读(151) / 评论(0) 分类 新视野大学英语:视听说教程 4

Disappearing Forests The world's forests are disappearing.As much as one third of the total tree cover has been lost.Since agriculture began some ten thousand years ago.The remaining forests are home to half of the world's species,thus becoming the c

发表于:2018-12-30 / 阅读(103) / 评论(0) 分类 英语六级听力练习集锦

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2018-12-30 / 阅读(209) / 评论(0) 分类 国家地理2008年

Forests and CO2 森林和二氧化碳 The amount of fossil fuel emissions released into the atmosphere has steadily risen since the Industrial Revolution. But recently, part of those emissions have been disappearing. Learn more about forests and CO2 -- on

发表于:2019-01-02 / 阅读(218) / 评论(0) 分类 (科普英语)Earth and Sky

Immigrant Dust Feeds Rain Forests Intercontinental dust helps fertilize lush forests in the Western Hemisphere and Hawaii, noted Oliver Chadwick of the University of California, Santa Barbara, at the annual meeting of the American Association for the

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 60秒科学

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(185) / 评论(0) 分类 60秒科学

ENVIRONMENT REPORT -April 19, 2002: World’s Forests Endangered By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Many of the world ’s forests are quickly disappearing because of

发表于:2019-01-06 / 阅读(108) / 评论(0) 分类 健康与环境

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 Scientific American(五)月

Rain Forest 热带雨林 Have you ever been to a rain forest? 你去过热带雨林吗? Rain forests are found around the equator. 热带雨林在赤道附近。 In the rain forests, we only see summer all year long. 热带雨林里终年只有夏季

发表于:2019-01-10 / 阅读(119) / 评论(0) 分类 与美国小学生一起学英文第4册

SCIENCE IN THE NEWS - Mangrove Forests Among the Most Carbon-rich Forests in the World BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. This week, we will tell how coastal forests

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2011年VOA慢速英语(五)月

By David McAlary Washington 30 October 2006 The World Bank says rapidly diminishing tropical forests could be saved if farmers and loggers were paid not to cut the trees. It proposes to extend the current international system of carbon trading for t

发表于:2019-01-12 / 阅读(186) / 评论(0) 分类 2006年VOA标准英语(十月)

Coastal Trees Help Fight Global Warming A new study says the world's tropical coastal forests store more planet-warming carbon dioxide than almost any other ecosystem. But rapid loss of these forests - known as mangroves - is releasing substantial an

发表于:2019-01-14 / 阅读(282) / 评论(0) 分类 VOA标准英语2011年(四月)

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2019-01-22 / 阅读(95) / 评论(0) 分类 自然百科2008年

亚热带生态系统Sub-tropicalecosystems 温带森林Temperateforests 温带林地Temperatewoodlands 树木Trees 热带生态系统Tropicalecosystems 热带森林Tropicalforests 热带森林生态系统

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 英文语法词汇

山地气候 mountain climate 冬季季风气候 winter monsoon climate 季风气候 monsoon climate 高气压 high-pressure 锋面 frontal edge 亚热带气候 sub-tropical climate 气团 air mass 热浪 heat wave 高原气候 plateau climate 闪电 lightning 雾 fog 海滨气候 littora

发表于:2019-02-07 / 阅读(100) / 评论(0) 分类 英文语法词汇

At the equator the convection process is generally stable and the weather predictably fair, but in temperate zones the patterns are far more seasonal, localized, and random, which results in an endless battle between systems of high-pressure air and

发表于:2019-02-25 / 阅读(107) / 评论(0) 分类 万物简史

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 What do you think of when you thin

发表于:2019-03-04 / 阅读(209) / 评论(0) 分类 环球英语 Spotlight
学英语单词
amphihaploid
analysis by filtering
anchored
associated tensor
authenticatings
Benedict-Murlin's test
Boolean complement
calender knife
carbowaxes
celanata
cell of retzius
cenacle
chain initiator
characterisic function
Chinese corpus
CMVIG
cough mixture
crocalite
crossing release
crosslinking binder
cynanchoside
decoctum scoparii concentratum
denial - of - service attack
diphenols
Diuretico
double stitched seam
drawing and coiling apparatus
Espevik
family araucariaceaes
fed upon
feed point reactance
flat rectangular element
froglets
gamma-extruded
Gavrilov Posad
general statutory power of attorney
genus Chrysemys
granule spreader
hanker
harbsmeier
havocs
hemopoieticgrowth factor
hoshi
Hymenolepis
Ichimoku Kinko Hyo
intek
introspective sort
islandss of langerhans
kaluza klein theory
kubin
Lade symptom
levelling auger
live music
log brand
luminescent material photometer
many a times
margarets
mechanical tuning characteristic
media ecology
mildew
mock angina
mockingly
murse
Necrobia rufipes
Niampak
nourishing the middle-jiao
open cup test
out-gnaw
periophthalmitis
perspiry
phylloid cystoadenoma
plane indicatrix
platinum wire thermometre
precise examination
proportional plus integral control action
ratio error
reclaimation survey
rubber covered wire
Saubusse
setting up business
sinking fund balance sheet
slack key
slacks
slightly decomposed organic horizon
slumber net
South Hetton
specieslike
stock breeding
stowp
thalpotic
the Federal Reserve Bank
thermal etching
tincture of opium
transportation zone
transverse flow HF laser
unsystematic risks
uromyces alopecuri japonicus
use lame arguments
waiting-line theory
yongjia
Zenopsis
zero element of projective coordinate system