表面活性阳离子

[00:35.00]a/an [00:37.07]art.1.一(个) 2.任何一个 3.每,每一 [00:39.13]abandon [00:40.59]vt.1.抛弃 [00:42.06]abide [00:43.49]2.放弃. [00:44.93]ability [00:46.37]v.(by)坚持,遵守 [00:47.80]able [00:49.18]n.1.能力,智能 2.才能,才干

发表于:2018-11-30 / 阅读(173) / 评论(0) 分类 考研英语词汇2005

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 英语语法 Grammar Girl

Unit 2 She looks active. [00:02.39]第二单元 她看起来活跃。 [00:04.78]Lesson 7 Just speak [00:07.01]第七课 刚才的谈话 [00:09.25]Who's this? [00:10.83]这个是谁? [00:12.41]My new friend in the art club. [00:14.29]我在艺术俱乐

发表于:2018-12-12 / 阅读(159) / 评论(0) 分类 人教版小学英语五年级

by Mignon Fogarty Today's topic is active voice versus passive voice. The podcast edition of this article was sponsored by GoToMeeting. With this meeting service, you can hold your meetings over the Internet and give presentations, product demos and

发表于:2018-12-15 / 阅读(143) / 评论(0) 分类 英语语法 Grammar Girl

Muslim Brotherhood Ready for More Active Role in Jordan From VOA Learning English, this is IN THE NEWS in Special English. The Muslim Brotherhood is one of the largest Islamic groups in the Arab world. For years, the Brotherhood has been banned in a

发表于:2018-12-16 / 阅读(120) / 评论(0) 分类 2013年VOA慢速英语(六)月

The top American military officer, Admiral Mike Mullen, has taken a particularly active role in changing the U.S. approach to Afghanistan, contributing to the new strategy, choosing the new commander for U.S. and NATO forces, and deciding to replace

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 VOA标准英语2009年(六月)

Companionship of books A man may usually be known by the books he reads as well as by the company he keeps; for there is a companionship of books as well as of men; and one should always live in the best company, whether it be of books or of men. A

发表于:2018-12-31 / 阅读(211) / 评论(0) 分类 英语名著名段背诵精华

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(147) / 评论(0) 分类 地道美语播客

Iranian President Mahmoud Ahmadinejad's visit to Istanbul last week is seen as part of Ankara's increasingly active role in the Middle East, after decades of passivity in the region. At the same time, some analysts say, Turkey's ties to the West are

发表于:2019-01-13 / 阅读(165) / 评论(0) 分类 VOA标准英语2008年(八月)

World Health Day Focuses On 'Active Aging' Shelby Harris just celebrated his 111th birthday. His secret? I try to live the right kind of life, he said. I try to live the truth, I love everybody and I want everybody to love me. Some experts say a posi

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2012年(四月)

Active MRI Shows How Joints Work 活动核磁共振成像显示身体关节如何运作 Since its introduction in the 1980s, magnetic resonance imaging machines, commonly known as MRI scanners, have become a highly valuable tool in diagnostic medicin

发表于:2019-01-14 / 阅读(145) / 评论(0) 分类 VOA标准英语2014年(三月)

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(154) / 评论(0) 分类 VOA标准英语2010年(六)月

LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom

发表于:2019-01-30 / 阅读(198) / 评论(0) 分类 英语新闻

SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has

发表于:2019-01-30 / 阅读(169) / 评论(0) 分类 英语新闻

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(156) / 评论(0) 分类 英语新闻

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 英语每日一词

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-16 / 阅读(119) / 评论(0) 分类 英语单词荟萃

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(148) / 评论(0) 分类 英语新闻
学英语单词
adventitious property
angelica dahurica(fischer) benth. et hook
appetized
asthma convulsivum
automatic large scale production
bechhofer
berberis wallichiana dc.
boroson
boundary layer flow
burned-downs
bus bulb
by this
camshaft gear wheel
caugheys
Cephoidea
chamber crystal
civet cat
conditional grants
construction of wire rope
cretara
decumarias
degast
diesel power generating set
differential drive pinion carrier
dimsight
drum sander
duplex telephony
earth core
echo locator
eighty-twoes
event counter
external mercantilism
extraction of oil
female genitalia
fillability
filth test
flesche
flies high
fluorine(-containing)rubber
Giulio Natta
granitized
groundwater age
high-performance thin layer chromatograph
Holbank
hydraulic servo system
ion collection
keya paha
lacelike
lay into sb
leader-member exchange theory
lebenberg
lucius
mains frequency interference
menkin
mining royalty
multistage management system
myriologist
neovascularizes
new media industry
nitroretard
nonagricultural nation
offense
operator control address
organophosphate insecticide
package tourism
photo-copiers
photochemical blooming
position of heavenly body
poza
propeller type wheel
re-odorant
redirection number restriction
regulator pin
reset (a counter)
Rhamphocarya
rigid polyurethane foams
rotation angle
s-cis-s-trans conformation
Saladino, R.
scent-free
Shelagh
snooze-button
solie
sozin
special steel
spherohexact
St Clair County
sternad
sun-porch
syntactic function
text field
the first but one three
three-throw crank pump
triplolide
turn you off
unichasssis
unravished
Vila
wanna-be
wheel press gage
willa
wireworkers