2-二苯乙烯,trans-1,2二苯乙烯,反式1,芪

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 C-板子、棒子 catch抓、捉(c-?) hatch孵化、舱盖(h-?) patch补丁、布片(p-?) catch抓、捉(c-抓) hatch孵化、舱盖(hatch=hat=帽子) patch补丁、布

发表于:2018-12-10 / 阅读(397) / 评论(0) 分类 大学四级4000单词速记动画版

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。 be-, 使 behalf = be + half(一半) 变成两份,一人一半 大家一

发表于:2018-12-19 / 阅读(320) / 评论(0) 分类 英语PK台

Eleven countries in the Pacific region have signed a major Asia-Pacific free trade agreement in Santiago, Chile. The deal is a new version of the Trans-Pacific Partnership from which the U.S. withdrew last year. The agreement is called the Comprehens

发表于:2019-01-03 / 阅读(529) / 评论(0) 分类 2018年VOA慢速英语(三)月

From VOA Learning English, this is the Health Lifestyle report. There may be something in your food that you cannot see and cannot taste. But it could be killing you. It is an artificial oil commonly called trans fat. Trans fat is a toxic chemical th

发表于:2019-01-03 / 阅读(451) / 评论(0) 分类 2018年VOA慢速英语(五)月

BENE-,BON- good 良好 拉丁文中 bonus 为形容词,经过性别变化有 bona,bonum 形态,和英文的good意思相同,bene 为副词,有 well 的意思.bene,bon 也必须视为字根, 而一般字汇

发表于:2019-01-03 / 阅读(320) / 评论(0) 分类 英文语法词汇

BENE-,BON- good 良好 拉丁文中 bonus 为形容词,经过性别变化有 bona,bonum 形态,和英文的good意思相同,bene 为副词,有 well 的意思.bene,bon 也必须视为字根, 而一般字汇

发表于:2019-01-11 / 阅读(332) / 评论(0) 分类 考研英语

Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf

发表于:2019-01-12 / 阅读(387) / 评论(0) 分类 2010年VOA慢速英语(五)月

benefit,n 利益=profit=gain;津贴,救济金,保险费=allowance 【例】Exercise benefits our health 运动有益于我们的健康。disability benefits 残废抚恤金 【记】bene好,fit做-做事后的好处

发表于:2019-01-25 / 阅读(473) / 评论(0) 分类 不择手段背单词

beneficiary,n 受惠者(接受好处的人);(遗嘱、保险、退休金等的)受益人 【例】I am the beneficiary of her generosity 我是她的慷慨的受益人。 【记】bene好,fic做,ary表示人-得到好处的人-受益人

发表于:2019-01-25 / 阅读(525) / 评论(0) 分类 不择手段背单词

benediction,n 祝福(天主教和基督教在周末进行的祈祷)=blessing=benison;祈祷 【记】bene好,dict说-说好话一祝福 【参】valediction(n 告别演说);malediction(n 坏话) 【反】curse(n 诅咒)

发表于:2019-01-25 / 阅读(458) / 评论(0) 分类 不择手段背单词

benefactor,n 捐助者(提供钱财帮助的人)=patron 【记】bene好,fact做-做好事的人-捐助者

发表于:2019-01-25 / 阅读(445) / 评论(0) 分类 不择手段背单词

英语词汇常用前缀及讲解

发表于:2019-02-02 / 阅读(329) / 评论(0) 分类 英文语法词汇

Part 2. Green Transporation Festival. Keywords. Green Transporation Festival, oil, environment, reduce, other kinds of fuels. Vocabulary. hydrogen, propane, scooter, hybrid, ethanol. A. You are going to hear a report on green transporation festival.

发表于:2019-02-03 / 阅读(397) / 评论(0) 分类 step by step 3000 第一册

By Nico Colombant Bokoni 08 February 2008 While former Liberian president, Charles Taylor, is being tried in The Hague for alleged war crimes in Sierra Leone, his imprint is still being felt in the neighboring country of Guinea as well. Some of his f

发表于:2019-02-05 / 阅读(276) / 评论(0) 分类 VOA常速英语2008年(二月)

By Phuong Tran Dakar, Senegal 13 August 2007 Ousmane Sembene, the Senegalese film director and novelist who died this past June at age 84, is widely known as the father of African cinema. But before he was recognized for films that protested coloniz

发表于:2019-02-05 / 阅读(471) / 评论(0) 分类 2007年VOA标准英语(八月)

通过词缀认识单词(3)

发表于:2019-02-06 / 阅读(342) / 评论(0) 分类 英文语法词汇

By Selah Hennessy Dakar 11 June 2007 Senegalese filmmaker Ousmane Sembene is being buried in Dakar as praise is being showered from across the world on his career. Selah Hennessy reports from Dakar his death at the age of 84 also leaves a void, revea

发表于:2019-02-08 / 阅读(412) / 评论(0) 分类 2007年VOA标准英语(六月)

BEIJING, Nov. 4 (Xinhuanet) -- The amount of trans fat and other nutritional information will be marked on the labels of prepackaged food, according to the country's first national standard for food nutrition. The labeling will take effect on Jan 1,

发表于:2019-02-08 / 阅读(409) / 评论(0) 分类 英语新闻

China says a multi-billion dollar oil deal with Iraq is still being negotiated. This contradicts reports last week from Iraqi officials, who said the deal had been signed. Daniel Schearf reports from Beijing. China's Foreign Ministry on Thursday sai

发表于:2019-02-11 / 阅读(313) / 评论(0) 分类 VOA标准英语2008年(九月)

Lesson 231 You owe me one! 1.You owe me one!你欠我一个人情! 2.I stil lowe for the car.我还没付清 这辆车的钱。 3.I owe ou an apology.我该向你道歉。 4.I owe my parents a lot.我十分感激 父母。 5.I owe you five dollars.我

发表于:2019-02-12 / 阅读(290) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句
学英语单词
Abnub
accuracy of alignment
allothigenic
atelectotrauma
audrosin
autoscroll
Ballywilliam
barcoo r. (cooper creek)
bear in on/upon
beauty and the beast
bent-back occlusion
bladderdash
boat tanks
bourgeois revolution
calibration method of Rayleigh disk
Catseyes
company with reduced capital
corrosion resisting casting
cruved creel
current status register
Cymbopogon distans
darusentan
Dcci
debilitation
divisor of integer
doteth
DPTI(impacarzine)
electromechanical properties
electron-emitting source
entry ballistics
false return
FRP (fibreglass reinforced plastic)
fuel for power generation
garnet zone
gaspari
go anywhere vehicle
half-cargo condition
hand-winch take-up
hirschbiegel
hydroxyacetone
in pod
indium(ii) selenide
infraliminary
initial balance
intolerant tree
jamrah
Jizzax
jute spinning frame
juxtamembranal cytoplasm
Kilimanjaro, Mount
Kolmer
legal geology
Lennep
line option
linear bar code
low water head
lubuva
macrocyclic effect
mahers
make profit
make something known to
mangolds
mechanical hi-fi
middlingness
minimum critical mass
modi operandi
Nestrex
offering up
okamoto strain
Onopordon acanthium
operating earning
organic rules
PDA - personal digital assistant
per-share earnings
piperolactam
power frequency withstand voltage
preload(ing)
present to
protosilicates
pulling operation
Rattus hawaiiensis
recondenser plant
samols
Sanicula hacquetioides
scale areometer
secondary crystal structure
setting movement
sleeve notes
special social science
specification technique
sports card
stelth
superbly
sushila
tension boundary
theoretical damping
Tilgate stone
time-current tests
tirins (tiryns)
twitch roller
unbewitching
xylaria grammica