硝苯基化

Key Words [00:01.02]关键词 [00:02.04]The Most Common Expressions [00:03.29]最常用表达法 [00:04.55]It all depends. [00:06.86]视情况而定。 [00:09.17]It's up in the air. [00:11.36]沿未确定。 [00:13.56]I haven't decided yet. [00:16.34

发表于:2018-11-28 / 阅读(261) / 评论(0) 分类 零距离李阳疯狂英语口语

[00:04.13]Tesxt 6.1 Cleaning up the balance she [00:08.44]However ,it is not always the limit on borrowings power which prompts a company to seek off balance-sheet financ [00:15.65]After all, the articles of association can ,with shareholder's approv

发表于:2018-12-05 / 阅读(302) / 评论(0) 分类 西方会计英语

心灵歌汤 Meditation

发表于:2018-12-06 / 阅读(191) / 评论(0) 分类 心灵歌汤

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(169) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(125) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(116) / 评论(0) 分类 英语听力文摘 English Digest

A South Korean official says North Koreas leader commented that he is committed to denuclearization of the Korean Peninsula. National security advisor Chung Eui-yong also said that the leaders of North and South Korea are to meet in the capital of No

发表于:2019-01-03 / 阅读(171) / 评论(0) 分类 2018年VOA慢速英语(九)月

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(394) / 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(394) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 Scientific American(十一)月

[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(245) / 评论(0) 分类 英语对接游戏

THE MAKING OF A NATION - February 14, 2002: Inauguration of Franklin Roosevelt By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) American

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 The Making of a Nation

英语单词常用后缀及讲解

发表于:2019-01-16 / 阅读(103) / 评论(0) 分类 英文语法词汇

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(177) / 评论(0) 分类 健康与经济

序号 中 文 英 文 术语解释 缩写 来源 261 操作和维护 Operation Maintenance O&M YD/T 883-1999 262 操作维护和管理 OAM YD/T 997-1999 263 操作维护中心 Operation Maintenance

发表于:2019-02-01 / 阅读(231) / 评论(0) 分类 电信英语

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(301) / 评论(0) 分类 英语新闻

BEIJING, May 9 (Xinhua) -- The State Council, China's cabinet, said on Wednesday that the country will step up efforts to promote informatization development and strengthen information security. Speeding up the construction of informatization and bui

发表于:2019-02-18 / 阅读(157) / 评论(0) 分类 英语新闻

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(141) / 评论(0) 分类 听播客学英语
学英语单词
acchymosis
afterbears
air vent window
air-lay drying machine
angeliques
aquaporin-1
block making machine
bokoo
brrr
Cedrus deodara
Chiskova
CINCEASTLANT
commacerate
confessional debugging
creeds
cross-wind
cue tone
curl-up
descriptive level
diapensia families
dust flue
earnests
endothermic disintegration
Eneryda
estimation of reserve
exterior differential
external surface
flexible container
fractality
freesheet
Fritillaria delavayi
FTP commands
gibberellane
hard stool
hearing acuity
hektograph
homogeneous stock
hoseline
i-hurnd
ideal function
immediate solution
Incisura lacrimalis
indirect platemaking system
inertia load
insect reproductive biology
intracavity perturbations
Kal'mius
Karacurun
Kiev cake
knife stroke
landing craft utility (lcu)
Mabuasehube Game Reserve
major septum
making a pass at
marnin
metallorganic compound
negative impedance telephone
nobeliums
noblesse obliges
nondetergent
nondifferentiated products
North West Highlands
Nāzlū Rūd
op-amp-booster hybrids
Osotimehin
parallel edges
penalty goals
pension-reform
perflating
Platanthera chingshuishania
progressive bacterial synergistic gangrene
Prop H8
pulsing device
putable
recirculating ball linear bearing
reverse osmosis membrane modulus
roundness measurement device
ruffed joint
rumex montanus desf.
san pedro sulas
sisal (hemp)
six-daiest
smart antenna
solar space
spin susceptibility
stalinizations
Stokavian
Storkow
synorogenic sediments
Thiospira
thriftful
time complexities
travels by
trichloracetic aldehyde
tuberculosis of testis
twice-weeklies
unit operating cycle
unlawful regime
vacuum fishpump
Valle de Olivos
vibration-sensitive receptor
wonger