[化] 偶联反应; 偶合反应

This is the VOA Special English Health Report. Heparin is a blood-thinning medicine made from pig intestines, which often come from small farms in China. The drug is often used to prevent blockages during kidney dialysis treatment and different opera

发表于:2018-12-07 / 阅读(45) / 评论(0) 分类 VOA慢速英语2008年(四)月

Welcome to our home. Home for this quartet of eco-activists is a bus. And its touring the country to spread a message of sustainability. They call their effort bio-tour. We are seeing a society that is not living sustainably, that is exploiting reso

发表于:2018-12-11 / 阅读(50) / 评论(0) 分类 万花筒2008年

This is the VOA Special English Health Report. An allergy is an unusually strong reaction to a substance. Many things can cause allergies. The most common cause is pollen. Trees usually produce pollen in the spring, grasses in the summer and weeds in

发表于:2018-12-15 / 阅读(49) / 评论(0) 分类 VOA慢速英语2007年(七)月

2012 考研写作样句 5、If you should have any difficulty in getting immersed into the new environment, the Students' Union, me included, will always be there for you. 【译文】如果你们在融入新环境中碰到任何困难,学生会,包

发表于:2018-12-17 / 阅读(55) / 评论(0) 分类 考研英语长难句讲解

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. Next time you are shoveling snow off your walk, don't blame the weatherman, blame bacteria. Because an international team of scientists has found that micr

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 Scientific American(二)月

Advice Asking for advice Can you help me straightenout? Can you straighten me out on? Help me sort out, will you? What would you do if you were me? What would you do if you were in my shoes? What would you do if in my position? What do you reckon I

发表于:2018-12-26 / 阅读(47) / 评论(0) 分类 交流方式的多种表达

3. This success, coupled with later research showing that memory itself is not genetically determined, led Erics-son to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子主干是

发表于:2018-12-30 / 阅读(57) / 评论(0) 分类 考研英语长难句讲解

One of the most popular tools on Apple's new iPhone X is its facial recognition system. This latest iPhone gives users the power to open the device just by looking at it. The smartphone has performed well in tests set up to trick it into opening for

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 2017年VOA慢速英语(十一)月

On the belt and road investment, China is hoping to get Finland on board for its technology. Let's hear what China's ambassador to Finland has to say. Although Finland is on the northwestern stretch of the bet-and-road area, but its new technology is

发表于:2019-01-05 / 阅读(188) / 评论(0) 分类 cctv9英语新闻2017年

不良反应这一项中包括药物的副作用、症状及体征、毒性作用及耐受力、过敏反应、停药等。现分述如下: 1.不良反应的常用的英语表示法有: Adverse Reaction(s)不良反应 Unwanted(Untoward) R

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 医学英语

Facebook Reactions Much More Than a Like The Facebook like button was one of the social media websites most popular features. But now Facebook has added more emojis that users can click on to quickly express their feelings about a post. The five new

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2016年VOA慢速英语(三)月

[00:02]A:Don't work me. [00:04]L:I'll walk you through collecting the evidence. [00:07]Just describe the restraints. [00:23]A:They're strange-looking handcuffs. [00:25]They look more like old shackles or something. [00:33]And her feet are are b

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 英美人天天都在说的4000句:跟着影视学最真实的口语

3. This success, coupled with later research showing that memory itself is not genetically determined, led Ericsson to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子的主干是

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 考研英语长难句讲解

And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家,不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法

发表于:2019-01-18 / 阅读(71) / 评论(0) 分类 TED演讲科学篇

This is Xaero - a vertical take-off and landing vehicle being developed by Masten Space Systems. The California start-up hopes the rocket will eventually carry pay-loads for NASA to altitudes of up to 30 kilometres, mainly to collect atmospheric data

发表于:2019-02-03 / 阅读(52) / 评论(0) 分类 英语新闻视频

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(93) / 评论(0) 分类 实用英语

LOS ANGELES, June 20 (Xinhua) -- About 8 percent of children, or nearly 6 million in the U.S., have a food allergy, a much higher rate than previously estimated, a new study suggests. Not only is this estimate higher than some previous research has r

发表于:2019-02-08 / 阅读(66) / 评论(0) 分类 英语新闻

如今,高端大气上档次已经成为众人耳熟能详的网络用语,凭借其无与伦比的受欢迎度,高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语,到底

发表于:2019-02-08 / 阅读(72) / 评论(0) 分类 英语口语

介绍: couple 夫妻;情侣; They're a couple. 他们是一对。 a couple of 一些 I've been living in Shanghai for a couple of years. 我住在上海有些年了。 couple up 与某人结合 和某人在一起 Jenny broke up with her ex and c

发表于:2019-02-13 / 阅读(76) / 评论(0) 分类 英语俚语天天说

ATHENS, Oct. 27 (Xinhua) -- A new deal reached early Thursday at the European Union summit in Brussels to tackle the Greek debt crisis and avert contagion across the eurozone was met with mixed reactions in Greece. Opposition political parties, media

发表于:2019-02-19 / 阅读(227) / 评论(0) 分类 英语新闻
学英语单词
-sized
acaleph
accommodation endorser
adhibition
Aitkenhead Glacier
alkalous
autumn ice
calcium pectolite
Cephalaspidomorphi
cerebrospinal nerve
chancemeal
charging flue
check writting machine
chilled water unit
chloral-iodine
chronographical
cinergy
co-latitude
coherent reception
come to terms with something
comparative advantage of a region
complex in involution
cumidinic acid
deck-operated bulkhead valve
deganglionate
demometrics
determination of control point
deviated nasal septums
dioptrometry
discrete spectral category
dual-standard test
etching dye
ethnopsychopharmacology
Euphorbia donii
falling roller
fiberoptic
fillet headband
foamiest
free-to-air
Gerhardshofen
giant oarfish
Glyadyanskoye
goldmine
government orders money
gray cinnamonic soil
he-teg
heteromorphs
high atmosphere
inecs
inner-core
jante
Kerouac, Jack
laugh'd
limen insul?
lob volley
Mallorol
maori hens
marketplace of ideas
medical care act
Meliosma veitchiorum
mutant variety
n-propanol
nickel-iron core
nivs
nuclear incident
odorimetry
oophore
oreillets
paccays
partial discharge
pass gas
Pedicularis pseudomuscicola
penetration of the coulomb barrier
port management
pre-party
put oneself on one's country
radio tower
rational grammar
resistance minimum
secular clergy
self study guidance
shade-line
sodalis
splash plate injector
stovl
Sulcorebutia
superclades
superconducting gravimeter
surface cooler
third evaporator
thunderbolt (thunderstone)
Thy-1
trichogramma japonicum
tteok
vaporizing combustion chamber
vertical tail
vigilance men
voltzine
wallow in the mud
yst
zircon light
zirconium oxybromide