[有机化学] 2-羟基-2-苯基乙酰苯

By Paul Thompson Broadcast: September 19, 2004 (THEME) VOICE ONE: Now, the VOA Special English program, PEOPLE IN AMERICA. I'm Steve Ember. In the early days of the last century, an American doctor wrote about the Native American people called the La

发表于:2018-12-07 / 阅读(163) / 评论(0) 分类 名人轶事

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(182) / 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(164) / 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(145) / 评论(0) 分类 初学者听力文摘精选

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(211) / 评论(0) 分类 有声畅销书-秘密

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(133) / 评论(0) 分类 英语听力文摘 English Digest

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

发表于:2019-01-03 / 阅读(172) / 评论(0) 分类 医务英语

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(182) / 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(195) / 评论(0) 分类 Scientific American(十一)月

Carolyn Everson is Facebook's (FB) VP of global marketing solutions. When asked what's the best advice she got from Lean In--the No. 1 best seller by Facebook COO Sheryl Sandberg, she listed 10 of them as follow: 卡洛琳艾弗森是Facebook全球营销

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 求职英语

By Michael Drudge London 06 February 2006 Camp Delta Cell Block for uncooperative dedtainees The London-base human-rights group, Amnesty International, has issued a new report condemning what it calls

发表于:2019-01-11 / 阅读(238) / 评论(0) 分类 2006年VOA标准英语(二月)

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(190) / 评论(0) 分类 VOA标准英语2012年(三月)

19This is what the Lord says: Go and buy a clay jar from a potter. Take along some of the elders of the people and of the priests 2and go out to the Valley of Ben Hinnom, near the entrance of the Potsherd Gate. There proclaim the words I tell you, 3a

发表于:2019-01-17 / 阅读(140) / 评论(0) 分类 圣经旧约 耶利米书

研究:人的鼻子能嗅出性别 WASHINGTON, May 1 (Xinhua) -- The human nose can sniff out gender from body secretions even though people don't think they smell anything, Chinese researchers reported Thursday. Wen Zhou of the Chinese Academy of

发表于:2019-01-31 / 阅读(444) / 评论(0) 分类 英语新闻

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(156) / 评论(0) 分类 英语新闻

今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道,最大的牌就是ace。有了ace,你就胜券在握,你轻易不会出ace,而是备而不用,要把好钢用在刀刃上。这样就产生了下面我们

发表于:2019-02-03 / 阅读(231) / 评论(0) 分类 美国习惯用语

1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同

发表于:2019-02-03 / 阅读(182) / 评论(0) 分类 OMG美语

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(325) / 评论(0) 分类 英语新闻

It's never too late to start something new. 去尝试新事物永远都不用在乎年纪。 Anna Stoehr, the oldest resident of Minnesota, signed up for Facebook just in time to get all those happy birthday wall posts when she turns 114 this weekend

发表于:2019-02-08 / 阅读(158) / 评论(0) 分类 英语新闻

饶舌:Ace Hood - Overtime 相关介绍 :Ace Hood(Antoine McColister)出生在佛罗里达圣路易斯港。他成长在一个单亲家庭,他母亲在迈阿密Deerfield Beach区把它喂养大。当Ace Hood在一场足球比赛中受伤后,改变

发表于:2019-02-11 / 阅读(170) / 评论(0) 分类 节奏布鲁斯
学英语单词
1-tetradecylene
a matter of debate
Abreshia
Achiry
amp
Angelica morii
anti-foam plate
as welcome as a storm
aseptic seal
astromagnetics
attenuating plate
aulographium euryae sydow
Balla Balla
be most likely to
bordered on
bottlewasher
box pressure filter
calico ball
canadian grocery product code
catarrhal jaundice
checkstop
circumfluence
classification filter
codeword triplet
community-based learning
covalent complex
despiking circuit
do one's possible
double linear stage pattern
double strap butt joint
double switch
dual-recording
Dulhunty
egg-boxes
electrical units
envolute
European lobster
evaluation rule for the inputing chinese character keyboard
extravagance, extravagancy
factum juridicum
fathomable
fusebox
giant-cell tumor
halfline
hankul
hard base rock
hydro-thermal alteration
Indo-Aryan languages
information for intention
Irayène
isolating
jet galaxy
Kawālābāri
kirghizs
kolat
Krukenberg's spindle
leiden jars
limnicolous
mandatory member
militarus
multibeam interference
nerehonde
neutral-burning curve
nondirectors
NSIS
on-line document retrieval system
pacific maritime airmass
paragon clay
parallel hole
pentamethylenetetrazol
Raman-type free-electron laser
re-laid
reach out to somebody
reproject
requisitionists
run-flats
rustems
seat and chute entanglement
second level directory
short bread
Sotsukō-zaki
south southwest
spheroid colony
spongy cushion
storm a fort from within
subgross
subpubically
sunnitizes
superheat steam
Tagajō
tetramethylbenzidine
thalassophyta
thiorsanite (anorthite)
ticked off
tidehead
train wrecks
trickling cooling plant
Turn water into wine
variable radio-frequency radiosonde
variant pump
vinland
well done!