音标:['tetrə,mi:θaildai'ɑ:si:n; -,meθil-] ;
n. 【化学】四甲二砷

哈利波特与魔法石12-Diagon Alley

发表于:2018-12-05 / 阅读(172) / 评论(0) 分类 哈利波特与魔法石

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

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(174) / 评论(0) 分类 Scientific American(一)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(157) / 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

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(120) / 评论(0) 分类 英文魔法师字源大挪移

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(179) / 评论(0) 分类 60秒科学

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 医务英语

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(162) / 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 Greg Flakus Houston 02 August 2007 A bridge spanning the Mississippi River in the Midwestern city of Minneapolis collapsed Wednesday, during the evening rush hour, dumping scores of vehicles into the river. At least seven people died and local hos

发表于:2019-01-07 / 阅读(203) / 评论(0) 分类 2007年VOA标准英语(八月)

美国之声夺得亚军的亚裔美女Dia Frampton单曲《The Broken Ones》 I know they've hurt you bad. Wide, the scars you have. Baby let me straighten out your broken bones, All you faults to me make you more beautiful. I can't help it, I love

发表于:2019-01-10 / 阅读(150) / 评论(0) 分类 英文好歌推荐-百听不厌的英文歌曲

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(159) / 评论(0) 分类 VOA2003(下)-环境与健康

SCIENCE IN THE NEWS - Diabetes and Alzheimer's / Treatment for Alzheimer's / No Link between Vaccine and Autism By Broadcast: Tuesday, May 25, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Speci

发表于:2019-01-11 / 阅读(137) / 评论(0) 分类 科技之光

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 英语新闻

BEIJING, June 28 (Xinhuanet) -- The figure of adults with diabetes has risen to 347 million worldwide, which is more than doubled in the past three decades, according to a study published in the British journal Lancet. The study, which analyzed data

发表于:2019-01-11 / 阅读(149) / 评论(0) 分类 英语新闻

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

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(175) / 评论(0) 分类 VOA常速英语2013年(十月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(185) / 评论(0) 分类 万物简史
学英语单词
Air Farce
air-ejector condenser
antiman
apostatizing
azeleatin
bacillary white diarrhea
baking boards
Barēy
bejing
Birds and the bees
block resynchronization
Bosteri
Brahmenism
bring about someone's purpose
cackest
Canada hemp
carneous diarrhea
carrtilage
cedrela calantass
chladek
concarnation
contune
cranial deformation
dehydrocroomine
delayed-trigger
depleting
diesel index
disappear into
disconnecting switch reverser
division with remainder
drug-resistant strains
dry-fly fishing
ear specialist
erysipelas recurrens
fathomableness
fisheries products
flat dies
flomerics
foam gluing
gas producing tissue
graph course
halfduplex mode
have the countenance of
hue
huzoors
Hydrocortidelt
inverse of a figure
laayoune (el aaiun)
land mark
lincolnton
Lochindaal
looney tunes
los angeles (angeles)
magnetic storage drum
make hash of
mast cell
monoserotype
music track
oil filter cover spring
optically controlled
optimum climbing speed
over-excited
palletlike
particle drift
peckings
performance-intensive
phenomenically
Phenonyl
pinitol
pinout
plotlessness
presupernova
production in pure condition
Protococcida
push technology
pushing in
quest constant
recognized authority
revolving non-cumulative credit
scorzonera hispanicas
search path
seeding rate
segmental Gothic arch
singleout
stealth technique
stick effect
straighteneth
streptothricial
temporary Internet files
tenovo
Thanksgiving Days
theory of ionization
throtted steam
throttle grverning
trav
un-sanctioned
user's specification
variety stores
Vibhava
Weiner Cousins
welded sample
wide bandwidth