3-甲基-2-硫代乙内酰脲

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(83) / 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(130) / 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(129) / 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(86) / 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(156) / 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(133) / 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(166) / 评论(0) 分类 农业与发展

歌曲 : Keep On Moving 艺人 : Starstylers Ft.Michy 音乐星级 : ★★★★★ 所属专辑 : 未知 发行年代 : 2006 风格 : Dance 介绍: 关于Starstylers Ft. Michy在网络上很难找到他们的信息,只知道他们好像是一个DJ组合,组合形式跟舞动精灵差不多,Keep On Movi

发表于:2019-01-11 / 阅读(149) / 评论(0) 分类 舞曲狂欢

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(134) / 评论(0) 分类 VOA2003(下)-环境与健康

By Cathy Majtenyi Uganda 26 June 2007 The Ugandan government has taken a progressive approach to helping the disabled by passing legislation that recognizes the rights of the disabled, providing representation for them in Parliament and specifying me

发表于:2019-01-13 / 阅读(183) / 评论(0) 分类 2007年VOA标准英语(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(154) / 评论(0) 分类 经济学人科技系列

By Cathy Majtenyi Nairobi 06 April 2006 Uganda's Supreme Court has rejected an attempt by opposition politician Kizza Besigye to challenge the results of the country's recent elections, won by incumbe

发表于:2019-01-31 / 阅读(169) / 评论(0) 分类 2006年VOA标准英语(四月)

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(123) / 评论(0) 分类 VOA常速英语2013年(十月)

今天Larry和李华在校园里闲逛,校园里到处都贴满了选举传单。今天李华会学到两个常用语:flip flop和wishy-washy. LL: Hey, Li Hua who do you support for class presiden

发表于:2019-02-03 / 阅读(173) / 评论(0) 分类 美国之音《流行美语》

BEIJING Jan. 10 (Xinhuanet) -- Keeping a healthy diet may help children with attention deficit hyperactivity disorder (ADHD) in their treatment, a new study revealed. The study was published Monday in the American medical journal Pediatrics. After an

发表于:2019-02-04 / 阅读(173) / 评论(0) 分类 英语新闻

图片1 图片2

发表于:2019-02-10 / 阅读(182) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3 图片4 图片5

发表于:2019-02-10 / 阅读(162) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-02-10 / 阅读(207) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-02-10 / 阅读(165) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-02-10 / 阅读(147) / 评论(0) 分类 加州英语分级G1
学英语单词
3-amino-2-hydroxypropanesulfonic acid
Actinococcus
antisolitons
aromaticss
audit of loan
Avaricum
Bacterium whitmori
balance plate unit
base charge
bibliomics
Blastus cavaleriei
blood-hounds
cake of filter-press
cantisano
case-card
check in wood
chinese - english dictionary
complete cross section
crepitans
cyclonic collector
dandyizes
daniel wu
deceivers
diffusion of lung
electrooptic(al) Q-switching
Erin
expert guidance
flesh wheel
foca (focha)
force into alignment
forward proxy
friction roll drop hammer
Gaussian type orbital
granite-gneiss terrain
Haines' tests
hemitheids
hepatopyrexia
hoenesses
I'd
in from the cold
interface echo
Kekule structures
kick sb out
Lanternithus
locus of control
low frequency stage
Lysimachia davurica
machisma
macrocolumn
male issue
mangnotantalite
marten
mayumbas
message record log data set
midcolonial
MIRROR SITE
mud drums
mycoplasma-like organism
myrmica serica
nickelferrite
osteal syphilis
over-hang part
overbalances
parquet flooring
Pedicularis recurva
Penicillopepsin
phase contrast method
port workboat
preceding limb
propadienyl
psicologa
puffer poisoning
pyraseptic
Res Edit
ryzin
Saccomanno
same application
scampsman
scientific studies
senior civil servant
shifting-yoke
sigmoid progradational pattern
Sinbyugyun
soft self-excitation
splooged
staszycyt (staszicite)
stinking smut of wheat
svedberg
temnospondylous vertebra
termination forthwith clause
through-
to drink like a fish
torsion crack
trial predication diagram
trial work
trypterygine
uncommitted logic array
undecently
universal pattern
Worth County
yauper
Zuinglianism