硷渣

Farm Animals May Soon Get New Qualities With Gene-Editing This may seem impossible, but an American company is seeking to change farm animals by cutting or adding to their genes. By using a process called gene-editing, the company, Recombinetics, say

发表于:2018-12-10 / 阅读(57) / 评论(0) 分类 2018年VOA慢速英语(十一)月

SCOTT SIMON, HOST: We live in times of instant mass outrage. Someone does something, says something or is seen doing something, and they can be demonized with a click. The next time you might be tempted, think of this. In the fourth inning of Sunday'

发表于:2018-12-18 / 阅读(63) / 评论(0) 分类 2018年NPR美国国家公共电台7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(93) / 评论(0) 分类 Scientific American(十一)月

Sometime in the 1990s Jagdish Bhagwati, one of India's most distinguished economists, encountered Swaminathan Gurumurthy, 在20世纪90年代某时,印度最杰出的经济学家贾格迪什巴格沃蒂遭遇了斯瓦米那坦古穆绥 a financial

发表于:2018-12-29 / 阅读(73) / 评论(0) 分类 经济学人财经系列

Lesson 32 Music Can Motivate 音乐的激励作用 Words: catastrophe n. 异常的灾祸 catching adj. 传染性的;有感染力的 categorical adj. 无条件的,绝对的;明确的,直截了当的 categorize vt. 分类;标示。。。的特点;为。。。取名描述 category n. 种类,类目;范

发表于:2018-12-30 / 阅读(70) / 评论(0) 分类 胡敏托福词汇记单词

But when we had ascended to an elevation of about 250 feet, we were stopped by insurmountable obstacles. The converging inside walls changed into overhangs, and our climb into a circular stroll. 不过,到了二百英尺高左右,我们不能再上

发表于:2018-12-31 / 阅读(70) / 评论(0) 分类 《海底两万里》中英双语有声读物

On Rack 10 rows of next generation's chemical workers were being trained in the toleration of lead, caustic soda, tar, chlorine. 第十道架上一排排下一代的化学工人正在承受着铅毒、苛性苏打、沥青和氯气伤害的锻炼。

发表于:2019-01-01 / 阅读(100) / 评论(0) 分类 美丽新世界

As the sun beat down, something like 4,000 cubic kilometers of water evaporated from the Mediterranean surface every year. And with no Atlantic water to replenish it, the Mediterranean dried out. In j

发表于:2019-01-02 / 阅读(195) / 评论(0) 分类 欧洲自然写真

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(104) / 评论(0) 分类 2017年VOA慢速英语(五)月

Donald Trump on Thursday reached the number of delegates needed to clinch the Republican nomination for president, completing an unlikely rise that has upended the political landscape and sets the stage for a bitter fall campaign. 本周四,唐纳德

发表于:2019-01-07 / 阅读(96) / 评论(0) 分类 阅读空间

This town here has sort of been going through clean-up. People are trying to salvage things from their houses, but the reality is when you talk to them, there's nothing they can salvage when has been touched by this red toxic chemical mix. People sho

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 CNN2010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(85) / 评论(0) 分类 VOA标准英语2012年(十月)

Political Cartoons Help Iranians View Election With Sense of Humor For many Iranians, the presidential campaign played out on television - one candidate after another explaining their positions on the issues. While it didn't make for compelling viewi

发表于:2019-01-14 / 阅读(72) / 评论(0) 分类 VOA标准英语2013年(六月)

Doubt in her eyes, she turned then to Frank. Ought I to shave it? she asked, tight-upped. Frank put out his hand, revolted. Oh, Mum, no! Surely not! If she gets a good douse of kerosene it ought to be enough. Please don't shave it! So Meggie was marc

发表于:2019-01-29 / 阅读(93) / 评论(0) 分类 荆棘鸟

尽管来人中大多数都是游民,但也不尽然,譬如,其中就有一个驾着老式的T型福特汽车而来的沃特金斯人。他什么都贩运。从马的涂抹剂到香皂;这种香皂和菲在洗衣的铜盆里用脂肪和苛性碱

发表于:2019-01-29 / 阅读(103) / 评论(0) 分类 荆棘鸟

By David Gollust State Department 15 February 2007 The Bush administration reiterated Thursday that the missile defense system it plans to build in central Europe is not directed against Russia. The comments follow a reported warning that Moscow mig

发表于:2019-02-04 / 阅读(96) / 评论(0) 分类 2007年VOA标准英语(二月)

By Edward Yeranian Cairo 12 November 2009 Iranian President Mahmoud Ahmadinejad (file photo) Iranian President Mahmoud Ahmedinejad says Iran and the West have entered a period of cooperation concerning its nuclear program. The Iranian president did

发表于:2019-02-12 / 阅读(107) / 评论(0) 分类 VOA标准英语2009年(十一月)

They have been found living in boiling mud pots and lakes of caustic soda, deep inside rocks, at the bottom of the sea, 我们还发现细菌生活在沸腾的泥潭里和烧碱池里,岩石深处,大海底部, in hidden pools of icy water in t

发表于:2019-02-17 / 阅读(93) / 评论(0) 分类 万物简史

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(108) / 评论(0) 分类 托福英语

新GRE填空题通常都是信息量充足型的,也就是题目的信息恰好是可以选出题目空缺的信息(相对来说阅读是信息量过剩型,而类反是信息量缺乏型,数学则是信息量不对称型的。出题人挖掉的空

发表于:2019-03-11 / 阅读(161) / 评论(0) 分类 GRE英语
学英语单词
acicular troostite
address offset
ahronheim
ajoite
all-wood construction
Allen Tate
autolyzate
baluster railing
bash up
bashofu
bethumbs
Bigadic
block-structured programming language
bosko
bounded queue
Brazos County
buried slide method
Capvern-les-Bains
cayer
chamaecephaly
clerstory
complex mixture
concentricity strategy
cool giant
copper bearing
costs of litigant in person
cyclic injection
decolored
diisobutyl phthalate
dileriate
drinker moth
effectivity
ex-partner
failure control
feeder removal
filter bypass
flerovium
fracture mechanics in reactor structure
genus hydrodamaliss
hacking machine
halorhodopsins
have something on one's mind
hit on six cylinders
impulsive tic
interrupt vectoring
Isothecium
kerosene wick
Kubenskoye
Kūl, Rūd-e
La Aldehuela
lactose fermentation
leaf tobacco
make a public expression of
marine navigation expert system
Meliosma rigida
microphone preamplifier
Mladé Buky
monoacylates
mouchatoe
naiman
Nerl'
nonresizable
objuring
pancreatic cyst
para-chlorophenol
parabolic cusp
pavetta indica
Permic
piano leather
polka jacket
powder metallurgic product
primary bioelements
primary cell wall
project aid
prophalloin
proto-races
put ... to sleep
radionavigation
repetitive analog computer
russetts
salu
schilthuis' equation
seed grafting
self-affirming
shaded cloth
Shimokamagari-shima
snouting
spot weld spacing
statutory accounting principles
sukar
syndrome of corpus callosum
tervahauta
triple-belt
twisted steel
ultrasonic cataract
venae lingualis
viremia virusemia
visiting nurses
wages owedto employees
wordinitial
X-radiation
young conditioned connection