甲基甲烯

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(263) / 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(306) / 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(310) / 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(276) / 评论(0) 分类 初学者听力文摘精选

Zhang Ziyi, born in Beijing in 1979, is an actress who has worked with the best directors, both in her native China and in America. She said she would have become a kindergarten teacher if she hadn't got into acting. She has starred in many movies th

发表于:2019-01-01 / 阅读(259) / 评论(0) 分类 各国名人英文介绍

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(320) / 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(347) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(346) / 评论(0) 分类 Scientific American(四)月

Shorty, who dat you think always missing you I-I-I cannot get enough of kissing you I don't cry-y-y, ok I she'd a tear, or two On the gri-i-ind, yeah, but girl ain't no forgetting you, cuz Every minute, every second, every hour of the day Iyiyi Every

发表于:2019-01-10 / 阅读(219) / 评论(0) 分类 英文最新流行歌曲

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(323) / 评论(0) 分类 VOA2003(下)-环境与健康

AS IT IS 2015-09-20 Documentary Shows US, Mexico Fighting Drug Cartels 纪录片:墨西哥打击贩毒集团 A new movie follows two communities -- one in the United States and the other in Mexico -- as they try to stop drug cartels from harming thei

发表于:2019-01-12 / 阅读(268) / 评论(0) 分类 2015年VOA慢速英语(九)月

UN Wants Australia to Take Lead Against Asian Drug Traffic 联合国促澳大利亚带头打击亚洲毒品走私 From VOA Learning English, this is the Health Lifestyle report. United Nations officials say they have recently seen an increase in the

发表于:2019-01-12 / 阅读(332) / 评论(0) 分类 2016年VOA慢速英语(八)月

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(332) / 评论(0) 分类 VOA标准英语2012年(六月)

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(339) / 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(358) / 评论(0) 分类 VOA常速英语2013年(十月)

Raw anti-drug campaign awakens state Ted Landphair | Missoula, Montana 04 February 2010 Photo: Montana Meth Project Adults across Montana were frightened by what they were seeing. Some hardly recognized their meth-addled teenagers. Related Links Mont

发表于:2019-02-02 / 阅读(295) / 评论(0) 分类 VOA标准英语2010年(二月)

十三岁小正太的超可爱新单曲:Cody Simpson - Iyiyi Iyiyi Shorty, who dat you think always missing you I-I-I cannot get enough of kissing you I don't cry-y-y, ok I she'd a tear, or two On the gri-i-ind, yeah, but girl ain't no forgetting y

发表于:2019-02-05 / 阅读(238) / 评论(0) 分类 好听的英文歌曲

Among the beautiful pictures That hang on Memory's wall, 在那些美轮美奂的画中间挂在记忆墙上的, Is one of a dim old forest, That seemeth best of all; 是古老的森林一抹幽暗,似乎在其中画工最善; Not for its gnarl

发表于:2019-02-11 / 阅读(241) / 评论(0) 分类 美国语文第六册

十三岁小正太的超可爱新单曲:Cody Simpson - Iyiyi Cody Simpson97年出生,今年才13岁,也是通过youtube而成名的。现在乐坛是不是有低龄化的趋势啊,超萌正太一个接一个,而且年龄一个比一个小。

发表于:2019-02-11 / 阅读(278) / 评论(0) 分类 经典英文歌曲

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re

发表于:2019-02-21 / 阅读(290) / 评论(0) 分类 环球英语 Spotlight
学英语单词
abominables
absolvement
all-angle cog spanner pole
Ambition must be made to counteract ambition.
american gallinules
articulationes cylindroideus
base of column
Berachin
binary tree data structure
Bragg peak
brake-van
breed new varieties of corn
bronchial catheter
butenyls
claw chisel
close connected
coastal site
commissioning of individual system
concrete block moulding machine
consumption utility function
crusily
curlpapers
current-reversing key
customary quick despatch
degrade by
deposit line
dinitrodiphenyl carbazide
dispersion hardening
drink hard
dynamic geophysics
ecological indicators
electro-acupuncture
end-effector
family Malvaceae
family simaroubaceaes
file one's teeth
firm banking
fully dynamic graph problem
Grasse
hand-placed
hebephrenic type
hoary alisons
Hydroxybutirosin
in smooth waters
increase in resistance
iodosyl salt
kambia
knee of the sternpost
kyodo tsushin
leubner
magnetic shunt
mancinellis
memorized
methylpiperazine
monogenomic species
multi-shuttlebox handkerchief loom
multiple chip
nervous process
nonpenalty
noroviruss
notifyee
offset-litho
otomyasthenia
overload trial
pachydermia
pasteboard
PCR-TRAP
plenum system
portfolio assessment
pristids
prune effect
pyrenomycetess
radiation correction
receiptss
refractory prisoner
resin-bonded coil
rigid-rotor helicopter
Sachs's test
scotist
short-wave communication
side cutting nipper with long pointed jaws with tip cutters
side-airbag
sine wave switching
smoots
stearo palmito-olein
strike for
supply, power
tasars
too lean
towing eye
tres coracoes
trimming lathe
tuers
tunica adnata oculi
u.a.w
underage
unmilled
uranium oxidized zone
valer
ventilating circuit
Venturi-type expansion nozzle
Zmiyiv