音标:[,pentә,meθil,æminәu'benzi:n] ;
五甲基苯胺

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(314) / 评论(0) 分类 2016年VOA慢速英语(十)月

圣诞节快到了,听厌了Jingle Bell吗?就让Jenny和Connor来为大家推荐一些不一样的歌吧。这些都是欧美正当流行的热门圣诞歌曲哦! 圣诞歌曲英语怎么说? 圣诞歌曲除了Christmas songs,还可以说:

发表于:2018-12-19 / 阅读(320) / 评论(0) 分类 美国文化脱口秀

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(365) / 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(363) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(328) / 评论(0) 分类 Scientific American(一)月

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(378) / 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(398) / 评论(0) 分类 农业与发展

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(339) / 评论(0) 分类 Scientific American(八)月

Mary, Did You Know? - Pentatonix Mary did you know take your baby boy 玛丽你知道吗你的圣子 Would one day walk on water 有一天会在水上行走 Mary did you know that your baby boy 玛丽你知道吗你的圣子 Would save our sons and d

发表于:2019-01-10 / 阅读(298) / 评论(0) 分类 2015最新精选英文歌曲

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(377) / 评论(0) 分类 VOA2003(下)-环境与健康

So awesome, right? Another example is Pentair. Pentair is a U.S. industrial conglomerate. 很棒,对吧?另一个例子是滨特尔。滨特尔是美国的工业集团。 And about a decade ago,they sold their core power tools business and reinve

发表于:2019-01-18 / 阅读(338) / 评论(0) 分类 TED演讲国际问题篇

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(413) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(344) / 评论(0) 分类 经济学人科技系列

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(401) / 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(424) / 评论(0) 分类 VOA常速英语2013年(十月)

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(466) / 评论(0) 分类 英语学习方法

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(349) / 评论(0) 分类 阅读空间

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(331) / 评论(0) 分类 夏说英语新闻晨读

用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句:fourscore and seven years ago, 那么,怎样才能记住 fourscore 这个词而终生不忘呢?只要我们了解了fourscore 的逻辑思维

发表于:2019-02-21 / 阅读(345) / 评论(0) 分类 实用英语

【大森】美国sing-off冠军Pentatonix最新纯人声超赞翻唱Calvin Harris和绵羊音Ellie Goulding热单《I Need Your Love》。人声合唱搭配五彩缤纷的mv剪辑,让人眼前眼花缭乱的同时身体也不禁随着节拍舞动起

发表于:2019-03-11 / 阅读(508) / 评论(0) 分类 好听的英文歌曲
学英语单词
above the head of
absentee rate
acute angle attachment
air navigation astronomy
aluminium-foil with paper lining
anolog multiplexer
anterior comunicating artery
as soon as maybe
asemantic
automatic steam temperature control
Baoma
behavioral science school
bit gage
British Sign Language
chief superintendent
clamburgers
company limited co. ltd.)
counter-parade
credit in bookkeeping
crusing
dead weight debt
department for average adjustment
dependent symbols
dialkyl
Digora
electric zero signal
Elizabeth Fry
emergency landing
Etepholiclin
expansion business-cycle
F. M. C
family dispute
fibersphere
floating point register
formation-keeping light
franchise taxes
Fratol
fuel-station
gible
gray-flannel
gutate
hardwood strip
heat treatment condition
hibernation therapy
high frequency direction finding station
hoban
hypernephromas
in-the-hole drill
increase income
inlay thread
kaisonian
Kakatoe leadbeateri
knee scooter
knifeproof
knock at an open door
knot-holes
lawsuits
life-sciences
live album
lusitropy
macroglossum saga
magowan
mechanic tube cleaner
megamere
meningeal hemangioma
middle-pressure polyethylene
Minargent alloy
mixed breath sounds
murton
myxoxanthophyll
n.n.e.s
nonadsorbed
open plate wheel
ophthalmic therapeutics
oxygemsator
plenitudine
posterist
quadratrix of Hippias
qualitative determination of serum bilirubin
rosa persica michx.
runquist
school-readiness
sealing wire casing
seanads
single-ply cylindrical fluidized-bed dryer
soluslfone
srac
SSCO
strainer vine
thalassostatic terrace
thermal halogenation
travelling belt
ultra
unable to meet obligation
uniform unoxidized
vitrifiation
voltage-controlled bus
vulnerable species
waveguide channel
whole fish meal
wm
worbies