[化] 二亚硝基五亚甲基四胺

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发表于:2018-12-04 / 阅读(120) / 评论(0) 分类 英文魔法师字源大挪移

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(64) / 评论(0) 分类 美国文化脱口秀

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(一)月

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(100) / 评论(0) 分类 不择手段背单词

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(319) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(313) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 英语对接游戏

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(84) / 评论(0) 分类 2015最新精选英文歌曲

BBC Learning English Weekender Shappi Korsandi Stand up Callum:Hello, I'm Callum Robertson and this is Weekender. The Edinburgh International festival is a month-long arts and cultural festival held in August in Scotland's capital city, Edinburgh. A

发表于:2019-01-16 / 阅读(276) / 评论(0) 分类 Weekender

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(82) / 评论(0) 分类 2018年NPR美国国家公共电台11月

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(78) / 评论(0) 分类 TED演讲国际问题篇

今天我们要给大家介绍两个以

发表于:2019-01-30 / 阅读(171) / 评论(0) 分类 美国习惯用语

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(102) / 评论(0) 分类 健康与经济

今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi

发表于:2019-02-05 / 阅读(116) / 评论(0) 分类 美国之音《流行美语》

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(153) / 评论(0) 分类 英语学习方法

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(113) / 评论(0) 分类 万物简史

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(85) / 评论(0) 分类 听播客学英语

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(80) / 评论(0) 分类 实用英语

【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(227) / 评论(0) 分类 好听的英文歌曲
学英语单词
acquavivas
administered price theory
adsl transceiver unit-remote terminal end
air stability
Al Qubab
angleton
B-spline curve
banus
be busy
behighting
bench sander
beneteau
birdhouse
calamitoid
carpintero
chadacrysts
chester white swine
cold erythema
computer off-line control system
Crout method
cuprane
Dame Daphne du Maurier
decompactify
decrimping
degresses
deparaffinating
deshelled shrimp
direct-execution system
discrimination threshold
disk read
double-transit oscillator
drift hoop
ecnomus laminata
escapologist
escrowing
extines
extractor bottom hole choke
flushmounted pressure transducer
fried marinade
future exchange contract
gill artery
Grecise, grecised
H strand
Heptazone
hermetically sealed electromagnetic relay
horizontally polarized antenna
intermetatarseum
International Telecommunication Satellite Organization
Juniperus chengii
Kinsele
La Jolla Indian Reservation
lag window spectral estimator
Laser cutting for SMT stensil
leiariuss
letter form
logarithmic wind shear law
lophiotoma acuta
Mayfest
mcchord
Meteorological Office
MGU (motor governor unit)
mimectatina murakamii
montenance
motorized wheelchair
multiplelevel exit structure
myriapod
nation railroad man
neff
newshound
Opienge
paganus
pop-metal
radio directive device
reculed
reducing-balance method (of depreciation)
rheumatism root
roehrs
roentgenite (rontgenite- (ce))
rotary pulverizer
sax-horn
secularity
serving pantries
short-time overload capacity
sialia
sine wave oscillator
single lung transplantation
sitingup
sleeknesses
soil application
sonechka
stereostroboscope
switch position
tabnabs
telepolygraph
tylosis linguae
Uvel'ka
vacuum-clean
viscous-perfectly plastic body
waterkeepers
wedge-shaped hill
where are the toilets
Zeerijp