溴乙醯乙酸乙酯

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发表于:2018-12-03 / 阅读(169) / 评论(0) 分类 20本英文音韵童谣小书(文本+音频)

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(131) / 评论(0) 分类 2014年VOA慢速英语(五)月

AS IT IS 2016-06-22 Brexit Vote Is Too Close to Call Opinion studies in Britain show almost equal support for staying and remaining in the European Union ahead of a vote on the issue Thursday. British Prime Minister David Cameron made an appeal Tuesd

发表于:2018-12-08 / 阅读(123) / 评论(0) 分类 2016年VOA慢速英语(六)月

凯文布莱尔并不像一个抑郁的小孩:他是篮球队队长,参加各种派对,幽默并且自信。但它讲述的是有一个晚上他认识到拯救他自己的人生,他需要的只是说四个字。

发表于:2018-12-09 / 阅读(181) / 评论(0) 分类 TED演讲集:人生经验与告白

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(149) / 评论(0) 分类 美国习惯用语

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(89) / 评论(0) 分类 VOA双语新闻 2014年1月

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 英语语法 Grammar Girl

β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安

发表于:2019-01-03 / 阅读(99) / 评论(0) 分类 医务英语

英国脱欧迎来戏剧性变化。当地时间3日,英国高等法院裁定,政府在正式启动脱欧程序前需经议会批准。英国政府对这一裁定表示失望,并第一时间表示将上诉至最高法院。不少公司在英国的

发表于:2019-01-08 / 阅读(290) / 评论(0) 分类 英文语法词汇

Carolyn Everson is Facebook's (FB) VP of global marketing solutions. When asked what's the best advice she got from Lean In--the No. 1 best seller by Facebook COO Sheryl Sandberg, she listed 10 of them as follow: 卡洛琳艾弗森是Facebook全球营销

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 求职英语

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(九)月

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(84) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(62) / 评论(0) 分类 白领英语晨读

今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道,最大的牌就是ace。有了ace,你就胜券在握,你轻易不会出ace,而是备而不用,要把好钢用在刀刃上。这样就产生了下面我们

发表于:2019-02-03 / 阅读(133) / 评论(0) 分类 美国习惯用语

1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同

发表于:2019-02-03 / 阅读(97) / 评论(0) 分类 OMG美语

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(103) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 万物简史

SANYA, Hainan, Dec. 4 (Xinhua) -- The five BRICS nations intend to focus and work together on developing alternative energy sources. When Bu Xiaolin, vice governor of China's coal-rich Inner Mongolia autonomous region, spoke over the weekend in front

发表于:2019-02-17 / 阅读(97) / 评论(0) 分类 英语新闻

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(116) / 评论(0) 分类 TED演讲教育篇
学英语单词
acute pyogenic infection of popliteal fossa
adnexitides
Al Jumah
amvis
anodontia praecox
arbitrage broker
ascoceratid
auricular appendixes
avonet wool
base freeboard
Bačka
big hair
brick-field
british standards institute
chemical change
cigar-holder
classons
clonals
close riveting
connatum
convoke
corpocrat
corrosion sound meter
cuckoo-bud
day to day account
declarative part
defiance
delicately modelled features
Denofungin
diaphototropic
drilled nut
economy's performance
eglintons
electrooptical bench
endizen
epineuriums
equilibrium separation
eugenol
exclusive disjunction
fast pass
filed flight plan
flock to
foreignizing
full uniflow engine
gandolfini
Gardneria multiflora
Gasparyan
Group, check.
haploperox
Hdg
Heptateuch
household registry jurisdictional area
Investor's equity
landing facility
Laurencekirk
light-mindedly
logging operation
low water level
mannersome
meridional rays acceptance angle
multistranded theory
myelencephalospinal
nonetched
Otyniya
out-at-elbow
photofragment spectroscopy
pillar screw
plain turkeys
pleasurableness
pleasureboat
powdex
pygophora trimaculata
quadrature displacement
radial crack
Ranacid
recording pH regulator
resonance matching
rolled brass
rolling velocity
Ruysch's tunic
schmeers
sorting shaft
statistic table
statistical psychology
steppe faunal group
surface of discontinuity
texier
thermo emf
thunderstorm cell
total composite variation
total irradiance
transductants
transform product into sum or difference
transistor physics
trench silo unloader
trischitta
unmatchless
unquestioned owner
verismo
viscose rayon staple fibre
warm stage