五乙基苯

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(145) / 评论(0) 分类 2014年VOA慢速英语(五)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(82) / 评论(0) 分类 美国文化脱口秀

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(96) / 评论(0) 分类 VOA双语新闻 2014年1月

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(126) / 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(100) / 评论(0) 分类 2015最新精选英文歌曲

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(95) / 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(75) / 评论(0) 分类 白领英语晨读

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(97) / 评论(0) 分类 TED演讲国际问题篇

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(175) / 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(130) / 评论(0) 分类 阅读空间

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(98) / 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(115) / 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(110) / 评论(0) 分类 万物简史

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(97) / 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(103) / 评论(0) 分类 实用英语

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(130) / 评论(0) 分类 TED演讲教育篇

【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(244) / 评论(0) 分类 好听的英文歌曲
学英语单词
aerodynamic phenomena
antediluvian
anti-proton
antiterrorism laws
Argonia
ascii collating sequence
azingo r.
berdash
boob jobs
bothersomeness
bwb
cash send
central credit bureau
CHALKER
Chroustovice
comes to pass
compression limit
cross-jack leech line
CSLIP
data origination
deaminate
defects liability period
device input format block
dimalate
dSPTPases
dulcitol-malonate-phenylalanine
eddy current method
eighty-years
electric glass
electron-beam machining
envionment variables
establishment of fund
faches
facsimile converter
fade in and out
Farey sequence
fixiale
floating device
garnseys
Gattermann aldehyde synthesis
giant cell myocarditis
glycosidal resin
greenwich solar time
Grove City
hknc
holergastic
hub brake
hypatima spathota
import limit
indepth
inhibit signal
jejunoileites
jibber-jabber
lateral pterygoid plate
lath brick
left handed thread
linear cumulative damage hypothesis
literal syntax
marketing imperialism
mole attachment
multicomputer system
multiway switch
mushroom construction
nagm
nasotracheal
natural dormancy period
natural regeneration under shelterwood
neotetrine
nitrided iron
noury
novarsenobillon
on the spoon
peak to-peak amplitude
persistence rate
phototypesetting machine
prairie sagewort
Presea
prospecting bit
raches
recession of sea level
reference debugging aid
reinstatement fee
rudling
sebum palpebrals
self-financing
simple model
sitten
specific inductive capacity
statement label expression
stitching down
sulphur weed
supervening fraud
systematic training model
tee hinge
the FSB
transcuticular
transverse slide
tray of column
unannounced quiz
upper-tiers
work attendance
Zumbi Day