1-乙基萘

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(135) / 评论(0) 分类 2014年VOA慢速英语(五)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(91) / 评论(0) 分类 VOA双语新闻 2014年1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(90) / 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(66) / 评论(0) 分类 白领英语晨读

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(92) / 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(108) / 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(100) / 评论(0) 分类 万物简史

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(121) / 评论(0) 分类 TED演讲教育篇
学英语单词
active meter
alanycarb
ancyloceratid
antinovelist
argolic
artificial membrane
assemble directive
bailing production
bar codes
basic theory of Chinese materia medica
battery power
bench testing
Big Bass Drum
cerebella
Ceylon cinnamon
china today
cockcroft-walton rectifier
compass data recorder
conglomeratize
converging current
data set definition name
direction-magnitude set
dog leash
EHV transformer
Eucalyptus punctata
ex parte inspection order
extraposition
Fagus pendula
farmeresses
fellates
flame incinerator
flow-job system
gather density
goalside
green sign
have the law of
headfirst
heterodermic graft
Hittarp
holocene epoches
horol.
index of locomotive operation
juxtacortical
laydays date
legatarian
light shutter
liquid diffusivity
liquid glass
live together in unity
local anomaly
lochia rubra
main-line locomotive
Miller Freeman
nodi lymphatici cervicales anteriores
not to give a monkey's
notarial act of honour
Nubain
open ended control
operational approach
overswings
oxygen heterocyclic
paolas
para-pentoxyphenol
paracalanus parvus
phloeophagy
pigment transfer
polygynian
pre-oblige
production of context-free grammar
propagance factor
pyrocitric
pyrovanadic
radio recorder
random shock
red iron froth
redditives
repeated sweep
RIA-DA
RLSS
salability
salmivalli
serial-paralled conversion
seriates
shape detection
shrinkage rod
Solacet
South Pacific shipping line
spoken-word
stack velocity
superorbital abort
tax-reform
That's done it!
Thermomicrobia
three-state control
total activity discharge to the atmosphere
twist setting
type xi distribution
unshakenly
untapt
virtual population
wantrust
Zovant