[化] 聚环乙亚胺; 聚氮杂环丙烷

CHAPTER EIGHTEEN Mr. Rochesters Story Sometime in the afternoon I woke up from a long sleep. I felt weak when I stood up, because I had not eaten anything all day. When I opened my bedroom door, I saw Mr. Rochester. He was sitting in a chair outside

发表于:2018-12-14 / 阅读(128) / 评论(0) 分类 简爱

情景对话: Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会? 知识点笔记: hydrofluoric 氢氟酸 1. 确定辅音 相对来说,辅音变化最少。 单词中 h,dr,fl,r 和 c, 都没有特殊和奇怪

发表于:2018-12-18 / 阅读(57) / 评论(0) 分类 英国学生科学读本

By Scott Stearns White House 24 February 2006 President Bush says he is optimistic that Iraq will succeed in forming a government of national unity, despite sectarian violence following this week's bo

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 2006年VOA标准英语(二月)

By Paula Wolfson Washington 07 July 2006 President Bush says the seven missile launches this week by North Korea provide an opportunity for the world to come together to deal with Pyongyang's nuclear ambitions. The president says he is optimistic di

发表于:2019-01-04 / 阅读(144) / 评论(0) 分类 2006年VOA标准英语(七月)

By Bill Rodgers Washington. D.C. 29 March 2006 watch Civil War report A grieving widow touches her husband's coffin as it is carried to a cemetery The continuing sectarian violence in Iraq has raised

发表于:2019-01-06 / 阅读(183) / 评论(0) 分类 2006年VOA标准英语(三月)

By Scott Stearns White House 21 March 2006 President Bush President Bush says there is more fighting ahead in Iraq, but he is confident U.S. troops will be victorious. Mr. Bush held a White House news

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 2006年VOA标准英语(三月)

Libyans Optimistic on Democracy, Challenges Loom In the first blush of enthusiasm after the nine-month struggle to oust Moammar Gadhafi, many Libyans are optimistic that the country will be able to move toward democracy with little payback for the ir

发表于:2019-01-13 / 阅读(104) / 评论(0) 分类 VOA标准英语2011年(十一月)

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(246) / 评论(0) 分类 英语时差8,16

Hi! This is Stever Robbins, host of the Get-it-Done Guys Quick and Dirty Tips to Work Less and Do More. Grammar Girl is working on her book this week and since I do a lot of public speaking, she asked me to talk about how to use similes and metaphors

发表于:2019-01-30 / 阅读(158) / 评论(0) 分类 英语语法 Grammar Girl

By Mohamed Elshinnawi Washington, D.C. 07 March 2006 watch IAEA report A defiant Iran warned the International Atomic Energy Agency that it would press ahead with uranium enrichment if the agency push

发表于:2019-01-31 / 阅读(126) / 评论(0) 分类 2006年VOA标准英语(三月)

By Margaret Besheer Washington 09 May 2006 Iraq's Prime Minister-designate Nouri al-Maliki talks to reporters during a news conference in Baghdad, Tuesday, May 9, 2006 Iraq's Prime Minister-designate,

发表于:2019-01-31 / 阅读(135) / 评论(0) 分类 2006年VOA标准英语(五月)

By Melinda Smith Washington, DC 12 January 2007 watch Organ Donor report Human tissue for transplant being delivered to a hospital The traffic in human organs for transplantation is a volatile issue in the medical community and among desperately ill

发表于:2019-02-02 / 阅读(147) / 评论(0) 分类 2007年VOA标准英语(一月)

By Rory Byrne Phnom Penh 03 April 2007 Preliminary results indicate that the ruling Cambodian People's Party has won a landslide victory in recent local elections. The margin of victory was similar to the result of the last election and was widely fo

发表于:2019-02-03 / 阅读(135) / 评论(0) 分类 2007年VOA标准英语(四月)

今天我们要学的词是,limited。 Limited, 是有限的意思。拉美裔移民在维吉尼亚州的王子威廉姆斯县罢工一天,The one-day work boycott appeared to have a limited effect on businesses in the county. 但似乎并没有对

发表于:2019-02-03 / 阅读(93) / 评论(0) 分类 英语单词荟萃

Iraq's electoral commission has announced the preliminary results of last weekend's provincial elections, amid some accusations of irregularities and voting fraud. The Iraqi army and security forces, however, say that they will maintain order despit

发表于:2019-02-06 / 阅读(70) / 评论(0) 分类 VOA标准英语2009年(二月)

今天我们要学的词是timing。 Timing, 时机。中文里说,赶得早不如赶得巧。英文里说, Timing is everything. 时机决定一切。The timing of his marriage proposal was perfect, 他求婚的时机恰到好处。 目前就业市场

发表于:2019-02-07 / 阅读(79) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是optimistic。 Optimistic乐观的。美国第二季度国内生产总值公布后,President Barack Obama said he is 'guardedly optimistic' about the direction of the U.S. economy, 美国总统奥巴马表示,他对美国经

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 英语单词荟萃

Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in

发表于:2019-02-23 / 阅读(69) / 评论(0) 分类 英语时差8,16

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(115) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'ukulele (hawaii)
addition and betterment reserve
al-zawahri
all-savers certificate
ampulla ductus lacrimalis
angular gap
Aotearoan
apartheiding
Argyrotaenia
B-service area
barophilic baceria
batz
bed-sitting-rooms
bipupillate
bromethylene
buoy-to-buoy time
business warning indicator
butyl glycidyl ether
capital grant cycle
carcinids
cataclesis
chordae urachi
ciche
cocoonase
coincidence (muller 1916)
cryolithozone
cursillo
cybernation economics
daily surplus production
daphniphyllum oblongum chien
dead melt
degeneration four-wave mixing
die stamping press
diphenol
documentably
energy reflection build-up factor
engraver's proof
Erlenmeyer
experiment with clay model
extent map
familial trait
fibrous peat
fissurae horizontalis cerebelli
fixed negatively charged exchange site
flurouracil
genus pediculuss
high-velocities
horel
hydro-electric engineering
index thermometer
insertion model
insipidity
integral-dose
irsogladine
jejunoduodenostomy
Jodzhl
lathe frame
main practice
manganese-steel frog
mateers
mauron
melon seed chocolate
mineral caoutchouc
mushroom-picker's lung
nesting indirect command file
norpinanyl
nuclear periodicity
optical acoustic diffraction
PDEA
phenacaine
PHOLIDICHTHYIDAE
phonetic input method
procurement regulation
relexifying
relief/safety valve
remanufacturer
retinulate
sacral artery
sacroparasitus
salties
seeder cloud
sock it to
solvent washer
spherical-earth attenuation
Ste-Croix-Volvestre
subrepitant
super video compact disc
Swinging Sixties
Thallo
Thilaven
ThinWire
to dog
trade promotion division
tryptophyl
Tummo, Jab.
user submitted batch job
vaporizability
variable gain amplifier
Vila Nova da Armada
webbie
well-counterfeited
zoster nuchae