泥沙推算

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(118) / 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(126) / 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(122) / 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(100) / 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(134) / 评论(0) 分类 2017年VOA慢速英语(五)月

中文 英文 缩写 顶侧板 top-side door 顶盖 top cover 顶面板 top panel 定长方式 fixed-length mode 定长码 fixed-length code 定界符 delimiter 定力矩扳手 torque wrench 定时 ti

发表于:2019-01-03 / 阅读(124) / 评论(0) 分类 电信英语

337 、 平衡条件 equilibriumcondition 338 、 平衡电桥 balancedbridge 339 、 平头弧刀 squarenosegouge 340 、 幼纹 smoothcut 341 、 打凹成形 hollowing 342 、 打凸成形 raising

发表于:2019-01-03 / 阅读(120) / 评论(0) 分类 英文名句短语

By Carolyn Weaver New York City 27 November 2006 watch Comedy Festival report Comedians from around the United States came to New York recently [Nov. 14-19] for the fourth annual Arab-American Comedy Festival. The event featured six nights of stand-

发表于:2019-01-07 / 阅读(211) / 评论(0) 分类 2006年VOA标准英语(十一月)

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(141) / 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(150) / 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(140) / 评论(0) 分类 Scientific American(四)月

中文 英文 缩写 按次付费电视 pay-per-view 按次计费制 message rate system 按次计费制/测量系统 metering system 按电路群闭塞 block by circuit group 按分计费 charge per

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 电信英语

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(112) / 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(107) / 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(134) / 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(157) / 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(132) / 评论(0) 分类 英语新闻

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(140) / 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(145) / 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(145) / 评论(0) 分类 托福英语
学英语单词
adiantum tenerums
adjoint group of an algebraic group
air-tight cover
al qafrah
besiegement
beth root
block encode
bone-chinas
brushfire operations
csteady
dead-space effect
deep water port
diabolic, diabolical
diaminourea
dimethylglyoximes
diopters
disperse state
double date rate
drecks
electrodynamic calibration
Fairy Falls
faster-drying
first cranial nerve
fondue
fouls
full scale ship test
gamblers' fallacy
grip disc
harmonic subflow
hectoring
het-ups
homomorphic replication
hugon
hybrid architecture
idleby
imperative conception
inland waterway B/L
institutional sales
kainit
Kirkby Stephen
Kuberganya
lasard
losses-on-ignition
marcus annius veruss
maser system
meosporangium
Mercier's valves
mineral separation technology
mousum
mozambique channels
musculi unipennatus
Mëzha
nonreporting
norian
oil failure trip
on-shore maintenance
Open Hardware Initiative
Orostachys
orza
ouncedal
outrivaling
peanut tussock moth
Pedicularis oxycarpa
Phaeonychium parryoides
pregnenolone-16a-carbonitrile
Raczki
radiation dominated gas
reduce expenses
reference line for frame
reference t-distribution
reservoir sample
rete mucosum
Rhododendron montroseanum
richard burtons
RLMA
roslin
roughs up
salivating
SDFB
sectional steel
self sustained oscillation
semi-closed feed system
short-contact switch
siomycin-C
slevins
slip-on flange
solid state spectrum
songstresses
stojko
supplementary buoyancy pack
system for controlling
tacky fibre
thermal chromatography
tobacco mosaic disease
Trafabiot
turgidity
uniformitarianisms
unipolyaddition
unprecedented sale
urman (orman)
verda
yes and no