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(348) / 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(140) / 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(89) / 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(109) / 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(100) / 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(124) / 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(99) / 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(123) / 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(89) / 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(121) / 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(194) / 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(259) / 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(88) / 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(83) / 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(97) / 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(71) / 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(109) / 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(175) / 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(100) / 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(150) / 评论(0) 分类 美国语文第五册
学英语单词
a hot potato
achromatopic
acid esters
anglo-european
antiexploitation
antisarcoma
araneidas
argentum
asperations
Barangbarang
Barthian
benzylboric acid
bluebars
cable direct burial laying
catch sb on the hop
center buttock
chief operational officer
Child Supervision
chromosome botany
clickpath
closing pin
control this phosphorus tolerance
countertenor
court-houses
CPF system
crudities
Dabola, Rég.Adm. de
darss pen.
decimillimetric waves
deep-frozen
diapausing
Dozule
Dutchification
effective grain size
file rentals
fixed-type bearing
fodder store
generic body
Guadalmellato, R.
Hartley transform
indirect blood agglutination test
inheritrixes
initial program loading
interpolant
interspinous ligament
intolerant
legitimate controversy
Lithiumpsilomelan
lockpicked
Lut Desert
main body of oil
marchfield
Mesyagutovo
microobjective
midvalue
Morse tapper gauge
needle-plate gap
noncoded track circuit
O2V
open and closed questions
overdiversified
patriarcha
peziza celtica
picogram
positive geotaxis
press run
protestantizes
quarken
quickset hedge
racemic form
random-access memory(RAM)
rectifier stage
red-spotted grouper
regional currency arrangements
residents' monetary expenditure
saddle azeotrope
sales agency
schedule of construction
single pole piece magnetic head
sixthirty
speeled
spriralism
stiff person syndrome
symmetromania
take (great) pains with
take pride
telegage
tellme
thallium bromide
the atmosphere
the economy of a plant
tri-coloured lantern
twelve o'clock
unmeek
varvares
velum interpositum cerebri
vibrating-wire extensometer
wall-cooling type
weighted path-length
xiphosurans