[网络] 苯甲基磺酰基
(phenylmethylsulphonyl 的复数)

Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find

发表于:2018-11-30 / 阅读(241) / 评论(0) 分类 生活英语情景口语

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(110) / 评论(0) 分类 2016年VOA慢速英语(十)月

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(169) / 评论(0) 分类 万物简史

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(162) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(三)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(164) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(125) / 评论(0) 分类 初学者听力文摘精选

21. That matters because theory suggests that the maximum sustainable yields that can be cropped from a fishery comes when the biomass of a target species is almost 50% of its original levels. 【分析】多重复合句。句子主干是 That matter

发表于:2018-12-30 / 阅读(116) / 评论(0) 分类 考研英语长难句讲解

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(170) / 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(198) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 Scientific American(十一)月

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(164) / 评论(0) 分类 VOA2003(下)-环境与健康

U.S. Vice President Joe Biden says he is withholding judgment on Iran's presidential election, as protests continue in Tehran over election results showing a landslide re-election victory for President Mahmoud Ahmadinejad. Vice President Joe Biden,

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 VOA标准英语2009年(六月)

By Sean Maroney Islamabad 28 September 2009 The head coordinator for the U.N. Humanitarian Affairs office in Pakistan says his agency is ready to handle what is expected to be a large number of families fleeing the South Waziristan tribal region as

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2009年(九月)

21. That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels. 【分析】多重复合句。句子主干为That matters。

发表于:2019-01-16 / 阅读(172) / 评论(0) 分类 考研英语长难句讲解

BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag

发表于:2019-01-16 / 阅读(213) / 评论(0) 分类 Weekender

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(187) / 评论(0) 分类 经济学人科技系列

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(304) / 评论(0) 分类 英语新闻

By Scott Bobb Lisbon 10 December 2007 The Africa-European Union summit ended Sunday in Portugal with agreement on many global challenges but with differences on other key issues. Correspondent Scott Bobb has this report from Lisbon. European and Afri

发表于:2019-02-07 / 阅读(200) / 评论(0) 分类 VOA常速英语2007年(十二月)
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0477
alepidote
anisotropism
anomalus
anterior spinal artery syndrome
automatic error correction (arq)
automatic train stop equipment
babinger
back support
base runoff
battery vault
Bcst
biaxial anisotropy
buzzer frequency meter
catapiasia
catoptrid
Clarkson, Mt.
clean remittances
composite balance
conflicting objective
contact clearance
dam type pouring ladle
daniel rutherfords
db-25
design load test
diaphragmatic herni
dishman
Dregea cuneifolia
drug enforcement
eleven-month-old
engine failure
Erycibe obtusifolia
exclusionary
faustitude
fentinacetate
fiscal monetary mix
flocculating
friendship group
Frisic
funplexes
genus gardenias
get rid off
got a kick out of
gwad
human chattel
Hurricane Mills
i-deoped
ingluvious
insolubilisations
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job status word
kasuyas
lasting out
lose your temper
low - temperature physics
microstigmatid
mountainite
non minimum phase system
nonguttural
oberholtzer
off bearing conveyer
ophthalmic gonorrhea
Pedicularis binaria
pedigree chum
permissive timing system
phraseologeme
plea of insanity
point of laying up
porous weld
post an entry
potential customers
potential infinity
present status
proper quadric
propionyl CoA carboxylase
pyranium salt
quasi-reference electrode
radiopreservation
raise taxes
remote control gun
rusticatory
semihugs
sherlock
side strake
slab cooling machine
slide valve chamber
slotted core
spheric agglomeration
splenalgia
Statements of Standard Accounting Practice
surface development
sweetheart agreement
tanninoids
theoretical spectrum
tuna boats
typographers
vehicle dynamic quality
voluminousness
wafer cleaning
whasp
yellow trade union
zalubowski