[化] S-E2机理; 双分子亲电子取代机理

[00:00.00]You now have 30 seconds to check your answers to questions 14--16. [00:10.95]Questions 14-16 according to Part C (2). [00:12.93]14.How long does a master's degree take in Switzerland? [00:14.94](A)two years. (B)three years. (C)four years. (

发表于:2018-11-29 / 阅读(360) / 评论(0) 分类 全国公共英语等级考试四级

[00:00.00]Questions 14-16 are based on the opening speech [00:08.18]of the Chairman of the final session in an international conference [00:14.32]and a statement made by Dr.Martin. [00:18.86]You now have 15 seconds to read Questions 14--16. [00:26.33

发表于:2018-12-01 / 阅读(284) / 评论(0) 分类 全国公共英语等级考试五级

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(172) / 评论(0) 分类 午后咖啡

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(266) / 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(163) / 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(207) / 评论(0) 分类 2018CRI中国国际广播电台

Enamel prisms - rod-like bundles of hydroxyapatie crystals which are orientated at right angles to the tooth surface. Each prism can be traced from the outside of the enamel all the way to the dentine

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 医务英语

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(215) / 评论(0) 分类 2016CRI中国国际广播电台

文本: -Mr Drake, your heart is not functioning properly and, as a result, your pericardial sac is full of fluid. I am proposing first to withdraw the fluid, and then to inject theadrenaline to stimulate the heart and restore normal activity . -Is

发表于:2019-01-21 / 阅读(174) / 评论(0) 分类 跟着英剧练发音

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(217) / 评论(0) 分类 经济学人科技系列

endeavor v./n.(endeavour)努力,尽力 解析:来源于deavor表示义务,责任 endurance n. 忍耐(力),耐久(性) 解析:来源于动词endure忍受,持久 durable a.持久的, 耐用的 energ

发表于:2019-02-03 / 阅读(178) / 评论(0) 分类 英文语法词汇

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(251) / 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(215) / 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(204) / 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(216) / 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(254) / 评论(0) 分类 英闻天下

econometric model 计量经济模式 econometrician 计量经济学家 econometrics 计量经济学 economic adjustment 经济调控 economic aggregate 经济总体数字 Economic Analysis Division [F

发表于:2019-02-17 / 阅读(179) / 评论(0) 分类 财会英语

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(213) / 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(236) / 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(239) / 评论(0) 分类 英语单词荟萃
学英语单词
al-ahad
aleurolobus rhododendri
aligning bearing
amy lyons
anastomosed stream
atomic energy law
automobile industries
bastard cop
basyl
beading needle
beaudine
boobyer
booster light
break sb's heart
brine injection pump
Bruning's
carnivore ecology
catch the fancy of...
certain suggestions
chair hitch
Christingles
coal conglomerate
compound radical
continuous disturbance
correlation measure
corte
coverplate oven
DESMOSTYLIFORMES
destination control file
dimethylvinphos
disk of hyperbolic section
dispersed data processing
driving element slipping rate measurement
elastic coefficient of transportation
Elk River
Entomophthorales
extended definition TV
fivesome
floodgums
floor ribband
foot brake
fractionalised
Gesamtkunstwerk
Gilderoy
hearth plate
Hengrave
hobo stove
ithergates
Jeronymites
jordan diagram
just deserts
kept to yourselves
laparoscopy-assisted
laser warning receiver
lemnocyte
lifting sling
macro phase
Maesa formosana
matmaker
mercury-hydrogen spark-gap con-verter
merry Greek
mete yard
mobility modeling
moderate-to-conservative
monoxides
motor control cubicle
mtb(mill tooth bit)
non-linear conductor
nonbias
notatus
Nzénzélé
partially exempt obligations
pennebaker plot
Pimpinella calycina
planographic printing
plate control
pojagi
postlude
pressure shell
RDC
rhamphocoris hasegawai
rotating wire rope
saddle coil
scandal soup
snowshaker
spanker
stator voltage control
suabias
sulcus (brain ) (or fissure(brain))
taskforce
temper screws
tetrametric face
the eleven-plus
thermal insert
troyens
tunforss
undoubtedly
United States of American Standards Institute
vanadium dibromide
vocational qualifications
wood-choppings
wooden beam