湖泊沉积物

This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(117) / 评论(0) 分类 Scientific American(十一)月

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(94) / 评论(0) 分类 托福听力短文

Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for

发表于:2018-12-30 / 阅读(208) / 评论(0) 分类 国家地理2007年

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(132) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Farmers fertilize their fields to get the maximum meal from their crops. But the effects of these loads of nitrogen and phosphorous extend beyond the field and past

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(四)月

Warmer Oceans Could Mean Smaller Fish Warmer oceans William DAndrea studies how Earths climate changes over time. In an article just published in the journal Geology, the associate professor at Columbia Universitys Lamont-Doherty Earth Observatory ch

发表于:2019-01-14 / 阅读(130) / 评论(0) 分类 VOA标准英语2012年(十月)

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2012年(十月)

What then of manned space exploration? 那载人的空间探索呢? The government recently announced plans to return to the moon by 2024. 美国政府最近宣布了2024重返月球的计划。 The successful conclusion of that mission will result

发表于:2019-01-18 / 阅读(103) / 评论(0) 分类 TED演讲商业篇

The 9/11 terrorist attack in New York not only killed people. It also killed local businesses, too, as many residents and companies moved out of the devastated area. 10 years on things are finally recovering. One Chinese restaurant has been part of t

发表于:2019-01-19 / 阅读(127) / 评论(0) 分类 世界各地新闻集锦

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(150) / 评论(0) 分类 经济学人综合

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 英语新闻

I remember quite clearly now when the story happened. The autumn leaves were floating in measure down to the ground, recovering the lake, where we used to swim like children, under the sun was there to shine. That time we used to be happy. Well, I th

发表于:2019-02-08 / 阅读(120) / 评论(0) 分类 阅读空间

音乐咖啡厅:Tamas Wells - The Crime At Edmond Lake 相关介绍:不用过多介绍Tamas Wells了吧!2010Tamas Wells终于再次发专。如同以往专辑一样,干净的嗓音,清新的吉他,简单的歌词,这就是Tamas Wells的风格

发表于:2019-02-11 / 阅读(183) / 评论(0) 分类 音乐咖啡厅

首先,我建议同学们不要上完辅导班就去参加考试。虽有趁热打铁之说,但是我相信绝大部分同学在上课期间已经把大部分的精力用于听讲和记笔记了,回家之后基本上就直奔安乐窝了。能够

发表于:2019-02-14 / 阅读(130) / 评论(0) 分类 雅思英语

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(138) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 托福英语
学英语单词
air speed Mach indicator
anenterous
anomic theory
arms manufacturer
audit function
autumnal equinox
Bagnasco
balopticons
bayness
Beatrice, Mt.
beef steak
betteridge
bhm
buhlers
butyl alcohol-iso
Calanthe aristulifera
char siew
clozapine
cold cranking simulator
coll desert
Combretum griffithii
compass planes
concrete term
Deutzia coriacea
dimensional motion time (dmt)
dry wines
dugi rat
dunnakins
estate-agents
fanaticize
FGD-S
flat-topped crest(flatiron)
full actuated
grandpaps
greater cornua
green olives
Haijing
half-leaf method
hatch side cantilever
holding tank capacity
horn relay
injection scheme
interweaving
iterative computations
klei-
limited waters
little-to-no
low stretch yarn
malthinus (malthinus) taiwanus
mccorkell
mechanical expansion joint
minimum reflectance of vitrinite
muelles
nasdaq-listed
Neoretna
NeuroGuide
no mean sth
nonearly
nonproduct
optoelectronic noise rejector
orrest
Pens.
polyhydruria
potassium aminochromate
prefix partition
primitive formula
profile scanner
raw material of woodcharcaol
refiners
rhizopus chinensis rugosporus
romanowskis
rotativist
rubber boot seal
sa'dabad
sausage linking machine
Segan
segmental papillae
sends
seniorlevel
sharonda
sinking-fund factor
slitting and trimming line
special purpose railway
steadies
steel band punch machine
system task save area
taper square shank
the boys in blue
TM (transfer memory)
transient property
triangulateration network
uncrunched
unlawful association
unpaid correspondence
unvoiced
uricocholia
variability
water gillyflower
wee willie winkie
wnas
yrjo
Zit Doctor