二甲氧甲苯丙胺

WORDS AND THEIR STORIES - Dime By Jerry Watson Broadcast: Sunday, August 22, 2004 Revised by Xiao Jinyin( jinyinx@***.com ) In the 1930s, a song

发表于:2018-12-01 / 阅读(381) / 评论(0) 分类 WORDS AND THEIR STORIES

发表于:2018-12-02 / 阅读(150) / 评论(0) 分类 英语口语1+1

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(107) / 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(159) / 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(158) / 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(126) / 评论(0) 分类 初学者听力文摘精选

Todd: OK, Diana, we're going to talk about food. You were just talkin about food in Chicago. What kind of good food can you get in Chicago? Dianna: Chicago is famous for its Chicago style pizza or their hotdogs. The pizza is different because they pu

发表于:2019-01-02 / 阅读(140) / 评论(0) 分类 英语访谈对话

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(180) / 评论(0) 分类 60秒科学

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(172) / 评论(0) 分类 科技之光

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(163) / 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(194) / 评论(0) 分类 农业与发展

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(160) / 评论(0) 分类 VOA2003(下)-环境与健康

我们上一次讲了由penny 也就是分币组成的几个习惯用语。美国人用的硬币除了penny还有好几种。例如,价值比penny高一点儿的有五分和一毛的硬币。它们是: nickel and dime。不论Nickel还是dime都是零

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 美国习惯用语

Todd: OK, Diana, we're going to talk about food. You were just talkin about food in Chicago. What kind of good food can you get in Chicago? 好了,戴安娜,我们来说说吃的吧。你刚才谈到了芝加哥的食物。你在芝加哥能吃到什

发表于:2019-01-15 / 阅读(128) / 评论(0) 分类 实战口语情景对话

Todd: OK, Diana, we're going to talk about food. You were just talkin about food in Chicago. What kind of good food can you get in Chicago? Dianna: Chicago is famous for its Chicago style pizza or their hotdogs. The pizza is different because they pu

发表于:2019-01-20 / 阅读(104) / 评论(0) 分类 原版英语对话1000个

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(186) / 评论(0) 分类 经济学人科技系列

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(146) / 评论(0) 分类 英语博客 A cup of English

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(176) / 评论(0) 分类 VOA常速英语2013年(十月)

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(192) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(169) / 评论(0) 分类 英语博客 A cup of English
学英语单词
Aboisso
Anacharsis
anaerobic sewage treatment
annual stock out cost
antidotically
Athabasca
backing storage
beteem
bevel friction
board-and-brace work
boiler room
boot files
Borojó
broad-sense heritability
by nature
Calamus margaritae
centonical
challengingness
chloramphenicol eye oinment
cholestatic
composite page
contracture of plantar fascia
coppelling
cornettino
cost plus pricing
cryopsamments
Cystomatosis
day job
decomplexify
Dernberg, C.
derries
doveplum
drop-volume method
existing crude oil tank
factice
fertility rate
fluorescence x-ray
gallico
gilded cage
Giles Lytton Strachey
ground resistivity
Hillel Foundation
hot plates
hyperbolised
hypometric
interculturalism
journeyed
Koch-Weeks basillus
Kodiéran
leander
leptopogon
lignum rhodium
Little Black R.
magnetized drink water cup
mass-observer
matched die molding
mazelyn
medicine shop
microstraining
middle power
migrate from
missionary positions
Multibank DRAM
no credit given
non-additive variance
on-line secured communications system
outtraveling
palingenetic process
papagay
pomado
ponderal
positive corpuscule
previous mode
psammocora superficialis
rank-and-filer
rapismatid
s-xls
shipbuilding press
short-circuiting bar
shunt excitation loss
sight box
simple conic projection
single dwelling
single steam chest valve
Soviet Union
startled
statement of funds
stickingplaster
strengthen sb's hand
the oremoval of soil material
thrust bearing shoe valve
toadhead
traffic management devices
Treponema intestinale
turbine shield well
turnover ratio of net worth
vertical shear wave
Viola schulzeana
voltamperehour
womanaut
wordformat