冰河沉积

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(138) / 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(150) / 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(147) / 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(121) / 评论(0) 分类 托福听力短文

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(152) / 评论(0) 分类 2017年VOA慢速英语(五)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(171) / 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(161) / 评论(0) 分类 Scientific American(四)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(132) / 评论(0) 分类 VOA标准英语2012年(十月)

By all means, move at a glacial pace, you know how that thrills me. 语音讲解: 单词发音 glacial /?ɡle??l/ pace /pe?s/ thrill /r?l/ 词间连读 by all means /ba?j??lmi?nz/ move at a /mu?v?t?/ 词汇讲解 1. by all means 一定 无论如何

发表于:2019-01-17 / 阅读(150) / 评论(0) 分类 跟着Gwen学英语之每日早读

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(130) / 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(155) / 评论(0) 分类 世界各地新闻集锦

What you often get with crevasses is just a thin covering of compacted snow. Uh, its called a snow bridge. And you can see there just where one has collapsed. And this is why they are so dangerous. You dont know when you are on one, and you dont know

发表于:2019-01-23 / 阅读(183) / 评论(0) 分类 探索与发现2012年

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(184) / 评论(0) 分类 经济学人综合

The 8,844-meter-high Mt. Qomolangma, located on the border of China and Nepal, is the world's highest mountain. 珠穆朗玛峰高8844米,位于中国和尼泊尔边境上,是世界上最高的山峰。 Glaciers on Mount Qomolangma have shrunk by

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 英语新闻

Themolecularapproachtodetecting peptidehormonesusingcDNAprobes shouldalsobemuchfasterthanthe (60)immunologicalmethodbecauseitcan takeyearsoftediouspurifications toisolatepeptidehormonesandthen developa

发表于:2019-02-06 / 阅读(168) / 评论(0) 分类 英文语法词汇

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(161) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for todays Spotlight program. Im Joshua Leo. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voi

发表于:2019-02-14 / 阅读(213) / 评论(0) 分类 环球英语 Spotlight

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(170) / 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(163) / 评论(0) 分类 托福英语

虽然天冷会让我们沮丧,不过要说到冷,最让人无奈的恐怕会是人们态度上的冷。说完天气的冷,今天咱们再来说说另一种冷吧。 冷漠态度在口语中如何表达 1. glacial: 冷若冰霜的;冷冰冰的;

发表于:2019-02-26 / 阅读(202) / 评论(0) 分类 英语口语
学英语单词
4-CLTC
a bowl of cherries
acid ion
additive functions
agricultural improvement
air raider
application source program
back pouring
bamc
baxley
beach discharge lighter
centrifugal moment of inertia
Centropus sinensis
connected pawn
Corispermum elongatum
critical viewing distance
Cutbank R.
cyclic adsorption refining
dibromophenolindophenol sodium salt
dinner-out
double length number
effector T cell
efficiency-driven
elastic liquid dynamics
engraving needle
epeirogenetic
fascisti
first law of the mean
frequency staggering
Funzie
graphitic synthetic furnace
hacoversed sines
hard-heartednesses
Heads will roll.
heterogametism
high throughput screening
hydraulic shuttle hole
hypsographies
image generator
inella monovitta
ki-yis
know all the answers
l?ffler's syndrome
lateral viscosity
loose standard
low implantation of placenta
lymphoid tubercles
machinery control and surveillance
main storgae dump
n-ethyl piperidine
Named Perils Policy
nasal angioma
nefre
neutron emitter
new register book of shipping
nimbley
noise suppression network
nonmelodramatic
optical disk inspection equipment
PERGRA
piano quartet
Postmasters General
programming concepts
proportional current time product
PSNEXT
pulse amplitude modulated sample
rabble hypothesis
radar precipitation echoes
rated uninterrupted current
re-pose
relative proximity
residual loss
rostral pontine reticular nucleus
RPT repeat
rudder steering mechanism
rythrite
Samson's post
self-discharging dredger
sheet-anchor
sisu
skull roof
Smilax trachypoda
soil redox potential
solari
spinneret orifice
stabilometer
stay out of something
stingarees
stridor serraticus
test and handling
texians
tiger sharks
touchable multifunction electronic organ
traverse crane
triangle of necessity
tubular ceramic capacitor
turbuience inversion
umpteenth
unit air supply
Vasylkiv
veterinary surgery skill
white tail