[化] 巯基乙胺; 半胱胺
[医] 巯基乙胺

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(130) / 评论(0) 分类 2014年VOA慢速英语(五)月

书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica

发表于:2018-12-12 / 阅读(110) / 评论(0) 分类 医学英语

Superhero Thwarts Evil Nazi Plot in 'Captain America: The First Avenger' Acomic book super hero whose exploits began in the 1940's is back as one of this year's big action movies. Here's a look at Captain America: The First Avenger. General Patton ha

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 VOA标准英语2011年(八月)

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

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] It's better to put the cap

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 cap [ kAp ] Clouds capped the woods. v

发表于:2018-12-30 / 阅读(251) / 评论(0) 分类 每日攻克5词

This is Scientific American's 60-Second Psych, I'm Christopher Intagliata, got a minute? While at Stanford in the mid-1960s, One Flew Over the Cuckoo's Nest author Ken Kesey started adding a peculiar ingredient to his home-cooked venison stew--LSD. N

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 Scientific American(三)月

Scientists in Australia are developing a thinking cap that could unlock our hidden genius, by switching on and off certain sections of the brain. Researchers at the University of Sydney think their experiments show that we all have hidden creative t

发表于:2019-01-13 / 阅读(134) / 评论(0) 分类 VOA标准英语2008年(十月)

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(61) / 评论(0) 分类 白领英语晨读

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(97) / 评论(0) 分类 世界各地新闻集锦

The speaker was addressing a roomful of teachers. He said, 'Thinking' and 'thinking critically' aren't the same. For example, if you're thinking about what day it is, that's not thinking critically. He instantly heard some murmuring. A teacher said,

发表于:2019-01-22 / 阅读(85) / 评论(0) 分类 英文短篇故事(纽约)

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(89) / 评论(0) 分类 英闻天下

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(87) / 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(102) / 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(95) / 评论(0) 分类 万物简史

LONDON, Nov. 14 (Xinhua) -- Liverpool's teenager winger Raheem Sterling is set to make his debut for England while his club teammate and captain Steven Gerrard is expected to earn the 100th cap in England's friendly against Sweden in Stockholm on Wed

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 英语新闻

日本名护市市长开始竞选 TOKYO, Jan. 12 (Xinhua) -- Candidates started their official campaign on Sunday to compete for the mayor of Nago, an election which may affect the relocation of a U.S. military base in Okinawa. It will be a race betw

发表于:2019-02-19 / 阅读(94) / 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(115) / 评论(0) 分类 TED演讲教育篇

Now, the VOA Learning English program Words and Their Stories. Our world is home to thousands of different kinds of birds. No two bird species are the same. Each one has its own unique qualities like its feathers! Feathers keep a bird warm and dry. F

发表于:2019-03-09 / 阅读(202) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
accent speech-synthesizer card
almandines
analytic-synthetic distinction
arithmetic shift
auditopsychic
basic needs
Berlin blockade and airlift
big area
BN-52021
bolster suture
buddledin
CACATUIDAE
ceramic delay-line
channel allocation
chromasome
chronic actinic dermatitis
ciclonium bromide
coal sample crush
Coparvax
cories
corruscation
decodification
delphy
dieing
dudukahar
dumpties
federal housing administrations
fernandina
field supervisor
financing structure
free speech online
glomerulonephritic
glossopalatine glands
half cloth
halieutaea fitzsimonsi
harder's gland (or harderian gland)
hexagonal trapezohydral hemihedral class
high level programming language
high-temperature ceramics
Hoare logic
hyperbolic catenary
interrogation of a criminal
invalidship
joseph stalins
Lesser Sunda Is.
LH-RF(GRF)
lovansay
low pay
lystrosaurids
mckitterick
mean conditional information content
mega-hertz (mhz)
megabit store
monosterigmata
multiplier factor
negative discount
Nicotiana glutinosa
norths-to-south
off the road
Oocystaceae
Oreganza
osteomatosis
ouf
Oyouga
Pachyma
packed-fluidized bed
pentafluoropyridine
perpetual calendar watch
phanerogamic wood
pillaring back
possibility space
preneste
quincupedal
rag scrap
resultant vector
saccharum purificatum
saighs
scurvyweed
sedimentation force
see eye-to-eye
soil-testing
soloism
src (shutdown reactor cooling)
submanifolds
subsea work enclosure
supercools
tachinidaes
tan-e
Thatters
travel(l)ing self-service shop
triple-pole single throw
tulkus
unified file access system
unkink
unwedging
usurpingly
vacuous assertion
vosper
water tube hose
Weismann's ring
well-fought
Williams ixora