温带落叶林群系

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(383) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

发表于:2018-12-02 / 阅读(167) / 评论(0) 分类 2016年Scientific American(十二)月

So we know that moving to the USA is sufficient to cause a dramatic change in your microbiome, probably not for the better. 因此我们得出结论,移居到美国生活后,会造成体内微生物群发生巨大改变,很可能不是在变好。

发表于:2018-12-05 / 阅读(103) / 评论(0) 分类 TED演讲科学篇

My lab got our first indication of this when actually we were studying non-human primates. 我的实验室在研究非人类--灵长类动物时,第一次发现了这个征兆。 We wanted to find out what happens to a monkey's microbiome when they

发表于:2018-12-05 / 阅读(149) / 评论(0) 分类 TED演讲科学篇

The world's largest and most devastating 世上最大、最具破坏性的 environmental and industrial project 环境及工业计划 is situated in the heart 发生于 of the largest and most intact forest in the world, 世上最大、保存最完整的

发表于:2018-12-08 / 阅读(115) / 评论(0) 分类 TED演讲娱乐篇

2301 Lesson Twenty-three Neighborhood 邻里 I have lived at 24 University Street for 20 years. 我在大学街24号住了20年了。 Where do you live? district municipality 24 University Street Chaoyang District Beijing municipality China He lives at 10 Downing

发表于:2018-12-16 / 阅读(149) / 评论(0) 分类 新东方英语900句

The earths tropics teem with species. Theyre far more biologically diverse than the cooler parts of the planet. And scientists have credited higher temperatures and greater amounts of sunlight. But a new study claims that the secret to tropical biodi

发表于:2018-12-24 / 阅读(118) / 评论(0) 分类 Scientific American(七)月

342943afecfcdaebbd.mp3 Treatment is usually started when the patient is 10 or 11 years old, after the deciduous teethare lost. 通常是在病人十岁或十一岁乳牙脱落之后开始进行治疗的。 That reminds me, Doctor; It seems that my da

发表于:2018-12-27 / 阅读(148) / 评论(0) 分类 口腔临床英语对话

The fact that Pachyrhinosaurus is found in so many different areas suggests that these dinosaurs had a remarkable ability to adapt to a variety of different environments. 肿鼻角龙在那么多不同的地方被发现,说明这种恐龙对不同环

发表于:2018-12-28 / 阅读(113) / 评论(0) 分类 侏罗纪搏击俱乐部

1. demolish /diˈmɔliʃ/ -- pull or tear down; destroy A wrecking crew is demolishing the old building. 拆除队正在拆除这幢老建筑物。 2. demote /dɪˈməʊt/ -- move down in grade or rank For being absent without leave, the corporal was

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 突破英文词汇

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(216) / 评论(0) 分类 国家地理2008年

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(287) / 评论(0) 分类 VOA标准英语2011年(四月)

ARI SHAPIRO, HOST: The phrase endangered species often refers to charismatic animals like mountain gorillas or polar bears. Well, today scientists are reporting that a whole different type of extinction is happening inside our bodies. NPR's Michaelee

发表于:2019-01-16 / 阅读(105) / 评论(0) 分类 2017年NPR美国国家公共电台8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(103) / 评论(0) 分类 自然百科2008年

The axe was moving so fast it whistled, and the handle made its own separate swishing sound as it slid up and down within his slippery palms. Up it flashed above his head, down it came in a dull silver blur, carving a wedge-shaped chunk out of the ir

发表于:2019-01-29 / 阅读(116) / 评论(0) 分类 荆棘鸟

A new book by photographer Amy Gulick highlights the interconnectedness of wildlife and people in the Tongass rainforest of Alaska Vronique LaCapra | St. Louis 08 July 2010 Photo: Amy Gulick/amygulick.com Chum salmon (onorhynchus keta) on a spawning

发表于:2019-02-05 / 阅读(88) / 评论(0) 分类 VOA标准英语2010年(七)月

In a bid to prove that showering is overrated, an American scientist hasnt had a bath in 12 years. Instead, he sprays his skin with a mist containing live bacteria, which he claims has kept him clean all these years! 为了证明洗澡是小题大做,

发表于:2019-02-09 / 阅读(126) / 评论(0) 分类 阅读空间

托福频道在此与大家分享托福阅读之大米草 Spartina,其中包括托福阅读词汇及词汇在文中的使用以及相关题目。希望对大家复习托福阅读有所帮助。 P1: Spartina alterniflora, known as cordgrass, is a

发表于:2019-02-12 / 阅读(192) / 评论(0) 分类 托福英语

I am vertical/But I would rather be horizontal, wrote Sylvia Plath, meditating on the consequences of a treelike existence. A team of researchers from the Vienna University of Technology recently announced another perspective on arboreal repose. Usin

发表于:2019-02-13 / 阅读(116) / 评论(0) 分类 实用英语

But especially, in the winter, the extent to which this transportation and planting of nuts is carried on, is made apparent by the snow. 白雪皑皑的冬天,松鼠们忙碌搬运、种植松果的活动更为清晰可见。 In almost every wood y

发表于:2019-02-21 / 阅读(190) / 评论(0) 分类 美国语文第五册
学英语单词
acceptance check
accustomable
aim to do
aphrophora kikuchii
axle grease
boiling plate
Bramhope
brown-pearce carcinoma
c power sopply
campbellpurs
chaetoceros teres
chahar kent
channel-port aux basques (port aux basques)
check weight hopper
children born alive
chromagogue
circular woven hose
classical architectures
club motor
conflicting value
conjugated filament
conscription
constant output oscillator
contemptuous of
counter diffusion
creatine index
cyclic elements
dalsky
day player
decertifacation
deflector sheet
derilict
deusabsconditus
discreditor
doline,dolina
double note
dysrhaphism
endolasers
exergues
expediency
extrascapulars
fonctionelle
food self support
forewarn
fork tidbits
formeth
fourscorer
ftpa
hangs on to
he-whores
hemorrhage of brain stem
indistinguishably
industrial acidity meter
IPTS-68
Kibenga
Kunčina
lay around
llach
Mahīrud
message part
microdecompression
Milan, Edict of
Misratah(Misurata)
mosquito-control
multistage Curtis turbine
musa ensetes
non-helicopter vtol
non-recoverable storage
not stand on ceremony
nyebern
oflie
oikonomia
one hitters
Padan, Sungai
precision wattmeter
pressure-energized seal
process piping
protocuneiform
published reports of companies
ravening
real rule
reclaiming aid
resilencing
rheumatoid spondylitis
scuba diver
scurfies
secondary graphitizing
sedimentation sizing method
self-hold
siphonic dictyostele
small-bowel
spotle
star gauge
Stephania longipes
stratigraphic amplitude
sulfacholazine
superteam
unphotographable
Waldteufel, Emil
whorlle-bourlle
wide grasp
zirconium-water reaction