[化] S-N1机理; 单分子亲核取代反应机理

unit03 Lost and Found 失而复得 The weekend was over, and Begbie had returned to town, restless, and strangely unhappy. There was within him a curious sense of something lost. He unpacked his suitcase listlessly, compared its contents with the cat

发表于:2018-12-07 / 阅读(129) / 评论(0) 分类 午后咖啡

By Rosanne Skirble Washington DC 26 January 2006 Farmer herds flock of ducks Since the virus was identified in humans three years ago in China, 80 of the 150 people infected have died from the disease

发表于:2018-12-08 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(一月)

It's eyeing this poultry market as one possible factor in territory's first case of bird flu since 2003. Authorities have also raised the response level for the pandemic to serious. The move came after a 59-year-old woman contracted the H5 influenza-

发表于:2018-12-11 / 阅读(119) / 评论(0) 分类 万花筒2010年

A new admission rating mechanism for students in the southern Chinese city of Shenzhen is sparking heated discussions here in China. As CRI's Li Dong reports, the system has been put in place to try to break away from the rules surrounding the househ

发表于:2018-12-19 / 阅读(222) / 评论(0) 分类 英闻天下

In China, pulbic schools are established to accommodate children with local residency registration, known as Hukou. However, as the population becomes much more mobile now, in big cities like Shenzhen, there is a huge number of people from other part

发表于:2018-12-19 / 阅读(112) / 评论(0) 分类 英闻天下

A new financial mechanism has been established to revitalize the so-called rust belt in the northeast of China which provides information sharing, investment services and the convergence of financial resources. Supported by China's central authoritie

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 2018CRI中国国际广播电台

nasty about it 对某事态度不好 neck and neck 不分上下 need other's shoulder 希望得到某人的安慰 never can tell 很难预测 never heard of 从来没听说过 Never on your life 你休想

发表于:2019-01-03 / 阅读(115) / 评论(0) 分类 英文名句短语

During Li Keqiang's three-day stay in Latvia, he is scheduled to meet with leaders from 16 Central and Eastern European countries. China formed the 16+1 cooperation mechanism with the 16 CEE states in 2012. Huang Yong, China's Ambassador to Latvia, s

发表于:2019-01-19 / 阅读(158) / 评论(0) 分类 2016CRI中国国际广播电台

Science and technology 科学技术 The joys of parenthood 身为人父的喜悦 Father's day 父亲节 Having children really does make a man more content with life 有了自己的孩子的确会让男人更热爱自己的生活 WILL fatherhood make

发表于:2019-02-02 / 阅读(156) / 评论(0) 分类 经济学人科技系列

SHANGHAI, Dec. 26 (Xinhua) -- The municipal government of Shanghai is considering rolling out a mechanism that would blacklist enterprises involved in illegal conduct regarding food safety and impose harsh punishments on them, a senior official said

发表于:2019-02-06 / 阅读(208) / 评论(0) 分类 英语新闻

BEIJING, June 4 (Xinhua) -- China's central and local governments had invested 105 billion yuan (16.6 billion U.S. dollars) in its award and subsidy mechanism for village-level public projects by 2011, and around 985,000 public projects were built in

发表于:2019-02-08 / 阅读(170) / 评论(0) 分类 英语新闻

Russia calls for global unclear terror prevention mechanism MOSCOW, Sept. 28 (Xinhua) -- Russia on Friday called for a preventive mechanism to counter nuclear terrorism threats at the end of international exercises in countering nuclear terrorism. Hi

发表于:2019-02-09 / 阅读(158) / 评论(0) 分类 英语新闻

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便

发表于:2019-02-13 / 阅读(168) / 评论(0) 分类 阅读空间

China's top economic planner says the country is studying a new fuel pricing scheme to make it reflect the global markets' oil price fluctuations more swiftly. Zhang Ping, the head of the National Development and Reform Commission or NDRC, says the c

发表于:2019-02-14 / 阅读(190) / 评论(0) 分类 英闻天下

Nagoya Stock Exchange 名古屋证券交易所 naked short selling 无担保沽空;无担保卖空 Nanyang Commercial Bank Limited 南洋商业银行有限公司 Nanyang Finance Company Limited 南洋

发表于:2019-02-17 / 阅读(112) / 评论(0) 分类 财会英语

If you want to remember the information in this article, take a nap. 如果你想记住这篇文章的内容,那就先打个盹儿吧。 New research conducted by brain researcher Avi Karni of the University of Haifa in Israel explores the possibil

发表于:2019-02-18 / 阅读(137) / 评论(0) 分类 英语美文

21. Eliminating problems by transferring the blame to others is often called scape-goating. 21. 用怪罪别人的办法来解决问题通常被称为寻找替罪羊。 22. The chief foods eaten in an

发表于:2019-02-26 / 阅读(160) / 评论(0) 分类 实用英语

China and the United States have signed a framework document in an initiative to establish an Army-to-Army Dialogue Mechanism between the two countries. Experts say this will help bolster the bilateral military relationship. CRI's Yu Yang reports. Ge

发表于:2019-03-04 / 阅读(192) / 评论(0) 分类 2015CRI中国国际广播电台

今天我们要学的词是 mechanism. Mechanism 机制。Britain will trigger the mechanism to leave the European Union next week. 英国下星期将启动离开欧盟的机制。Pakistan and Afghanistan agreed last week to form a joint mechanism to

发表于:2019-03-07 / 阅读(188) / 评论(0) 分类 英语单词荟萃

nail n.指甲,爪;钉 v.将...钉牢,钉住 naive a.天真的 naked a.裸体的,无遮敝的,无掩饰的 name n.名字,名称;名义 v.(after)给...取(或命)名;取名,说出,指出 namely ad.即,也就

发表于:2019-03-11 / 阅读(179) / 评论(0) 分类 考研英语
学英语单词
Aberavon
ambiguity encoding
armament delivery recording
asoile
atchafalaya b.
backbone aisle
buttu
calama
calm-smog
character average information content
charge excess plasma
class A insulation
coefficient of attachment
concealed nail
consumer-producer
cracking tester
curtos ruficollis
daemonic
directoscope
doubleholding door
dreams up
drift (wright 1921)
drummles
dual-beam technique
eclaircissement
electrical pitting
English teacher
evasive answer
fatal atmosphere
feed bar slide block
fertilized egg of Ascaris lumbricoides
flexible milk line
floating zone purification
fortifiers
gasket(hydraulic)
gedd
ground reference navigation station
heebie-jeebies
herrings
hormonagoga
hormozone
horzontal pressure
hypostracum
inclination pitch
infest
infrared heat
insulated conduit
interarch tooth size discrepancy
intraile
kick someone's hindsight off
Lakeba (Lakemba)
maisey
milk sampling
mode field expander
molden
motorized keyboard
mounture
multihybrid
multiprobes
nulling device
Paga Conta
paint dispersor
pellet placer
petrolisthes borradailei
phosphosilicate
picrolites
picucule
pink collar
power amplification ratio
rearward-suction force
received traffic
repinings
repouring
rieber
roll back (to)
rope bridge
seison
senile sebaceous hyperplasia
shangles
sleepin
society of institutions
stavrogin
steam lance
stomachable
storage hardware
strategic aeromedical evacuation
super-aerodynamics
Sāro Shāh
tarso-metatarsal (pl.tarso-metatarsi)
tip stall
topsy
total propulsive efficiency
transport phenomena
United Nations High Commissioner for Refugees
us -wear
vasoresection
Vdolac
west-pacific
white inlay wax
withdrawal ticket
yangtze basin
zarcoes