[化] β-咔啉羧酸乙酯

[00:14.07]The World Trade Organization(WTO) and China [00:18.34]As China has been admitted [00:22.06]to the World Trade Organization (WTO), [00:24.90]it is very apt at this time [00:27.42]to compile some important data [00:29.60]about this internatio

发表于:2018-12-01 / 阅读(347) / 评论(0) 分类 最新15篇文章贯通英语六级词汇

[00:09.70]I'd like to welcome Tyler Prince, 让我们欢迎泰勒普林斯 [00:12.06]president of Beta Omega Rho fraternity. Beta Omega Rho兄弟会的会长 [00:19.10]Hey, everyone. 大家好 [00:26.30]I've asked Tyler to come today to talk about a

发表于:2018-12-07 / 阅读(142) / 评论(0) 分类 听电影学英语-大学新生

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(160) / 评论(0) 分类 2014年VOA慢速英语(五)月

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h

发表于:2018-12-19 / 阅读(103) / 评论(0) 分类 英语PK台

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(115) / 评论(0) 分类 VOA双语新闻 2014年1月

One of the more infuriating things about the Internet is when a website closes down. You might follow a favorite writers blog, save links to helpful articles, and share interesting posts on social media. But then one day, you return to the website to

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 2017年VOA慢速英语(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(三)月

Australia's bold plans for a carbon emissions trading scheme are under threat after the conservative opposition in Canberra hardened its stance against it. Critics of Prime Minister Kevin Rudd's proposal say it would cost jobs and provoke economic u

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 VOA标准英语2009年(五月)

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(113) / 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(89) / 评论(0) 分类 白领英语晨读

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(145) / 评论(0) 分类 英语语言学习

Who says Santa Claus has to be white? Until now, your iPhone's emoji keyboard did. 谁说圣诞老人一定要是白脸的?现在,你的苹果表情键盘可以实现这一转变。 A new beta release of iOS 8.3, currently available only to softw

发表于:2019-02-06 / 阅读(108) / 评论(0) 分类 阅读空间

Alpha girl can always outperform men in study, work and sports. So, where there are alpha women, there are beta men。 阿尔法女孩也称女孩,指许多方面的能力和表现都在同龄男性之上的年轻女性。这个词源自美国哈佛大

发表于:2019-02-08 / 阅读(109) / 评论(0) 分类 四六级写作指导

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p

发表于:2019-02-13 / 阅读(116) / 评论(0) 分类 TED演讲国际问题篇

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(113) / 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(131) / 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(124) / 评论(0) 分类 万物简史

中文里很多与相亲、恋爱相关的流行词汇你肯定不陌生,但如果问你它们的英文说法,你可能不一定有把握。下面的几个词,仅供探讨~ 恋爱相关的实用口语 1. dry spell: 空窗期 spell这里是一段时

发表于:2019-02-18 / 阅读(150) / 评论(0) 分类 英语口语

SAN FRANCISCO, June 28 (Xinhua) -- Microsoft on Tuesday launched its cloud service Office 365, which was the software giant's answer to competing products from Google and other companies. The service includes on-line versions of Word, PowerPoint, Exc

发表于:2019-02-19 / 阅读(109) / 评论(0) 分类 英语新闻

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(142) / 评论(0) 分类 TED演讲教育篇
学英语单词
ac arc welder
achan
air-tight double glazing window
all the day
anode mechanical machining
association of national advertisers
associative type
auditory communication
automatic routing apparatus
barbanel
bear malice
beast of prey
blitzs
bluffing
book-ghouls
byheart
caparo
center-point galvanometer
Chaungzongyi
cheesehead
chimalhuacan
chupati
cleft palate lateral synechia syndrome
colour synchronizing burst
colsons
constitutional obligation
contour interval note
curmudgeonliest
curve-ball
Dalai
damped magnet
data corruption
decontamination fluid
dot matrix printer
drive by
Druyes
dynamic signal analyzer
Earthican
elapses
epimembranal
event per unit time
fur mite
g.a.o
gamma-ray examination
gas charging system
gingival reattachment curettage
go the way of the dodo
graceful curve
heat-fast
heavenly sword
hot-brain
inaquate
interrupting pulse
K3PO4
Kercem
lime salt
Luterskie, Jezioro
measuring resolution
medicare system
metallic zinc granule
meteorotagical map
mise en scene
multiple branches
nontenders
optical control
paddle stirrer
Pend Oreille R.
population depression
Primula pulverulenta
propheticism
queeny
rf tank
Ruthwell
safety poster
saturated market
scaffold
sequencing key
shadow reaction
sharp-nosed rocket
sinistrously
Soaserana
solid crossing
specimen tube of hot pressure stress
squeezest
stereocilia
stiffening bar
straightening operation
sub-string searching
sub-superscript
Subdelessite
subsecond
tardier
Thai architeture
thirlestanes
triaxial compression test
trivial absolute value
two-drum system
unallocable expenditure
unconditioned grain
useful aperture
verbale
wrist pin brass wedge bolt