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AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(47) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(96) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(49) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(126) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(90) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(130) / 评论(0) 分类 农业与发展

An ass and an ox,fastened to the same yoke,were draging a waggon.While the ox was pulling with all his might he he broke a horn.The ass swore that he had got no help whatever from his weak companion.Exerting himself in the labour,the ox b

发表于:2019-01-09 / 阅读(148) / 评论(0) 分类 趣味英语

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(99) / 评论(0) 分类 VOA2003(下)-环境与健康

Azaz Residents Pick Up After Aerial Bombings The residents of Azaz clean up and mourn after Wednesday's deadly bombing by Syrian government warplanes. Azaz had been peaceful in recent months, although forces of the rebel Free Syrian Army have had to

发表于:2019-01-13 / 阅读(102) / 评论(0) 分类 VOA标准英语2012年(八月)

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(125) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(76) / 评论(0) 分类 VOA常速英语2013年(十月)

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发表于:2019-03-02 / 阅读(123) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(132) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(146) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(139) / 评论(0) 分类 加州英语分级GK

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发表于:2019-03-02 / 阅读(134) / 评论(0) 分类 加州英语分级GK
学英语单词
aromatic nucleus
arsenicals
as neat as a pin
Astralon
autoupgrade
benzoyline
bioresearcher
breazeale
Burka Darro
caligraphy
call recording
capitalistic production
chaotic movement
chromatographiccondition
colo(u)r balance
column crystal
communities of practice
current working set
demarcoes
designed displacement
detention barrack
developed winding
diffraction-grating spectrograph
ebulliently
educational telecomputing system
emir
eurasian woodcocks
Fritillaria shuchengensis
frivolously
galerite
game parks
Garoua
get off the dime
gianthood
gymnothorax herrei
Henri Becquerel
high ball
Hontalbilla
idjets
ignition hazard
inquire display terminal
inverted arch bar
it takes time
IVVR
legal risks
leptocytosis
Leptopteris
Leucodontineae
Louverné
low-carbon ferronickel
macroschizont
Maraho, Enneri
maximum productivity
megalosauroid
menstrual flows
Merca(Marka)
minero
new wine in old bottles
Nizam
Novomix
oceanic
one-way feed
open someone's eyes to
open-account facility
open-end funds
optimum point
original cost value
ornithophilist
outfall pipe
over-edit
Pacific Islands Forum
parkgate
Poa pachyantha
precultures
propagation of error
puccinia aestivalis
radioiodinated serumalbumin
recombination index(darlington 1939)
refuelling boat
repetative information
replica disc
rohmers
Sandy Pt.
scoria volcano
sea-surfaces
second operation machine
section table
slag notch
spinae tegminis
steel tooth bit
Stellaria filicaulis
sticky patch
subcircular scars
swedging
theories of preformation
tied credit
transverse diffraction
unrestricted space
van Grevaldvon Gierke's disease
vetch management for rice fields
water-whiteness
zu chong-zhi