[化] 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(159) / 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(134) / 评论(0) 分类 英语语法 Grammar Girl

THE MAKING OF A NATION - American History: Life in the 1970s and '80s STEVE EMBER: Welcome to THE MAKING OF A NATION -- American history in VOA Special English. I'm Steve Ember. This week in our series, we look back at some of the social issues and c

发表于:2018-12-07 / 阅读(126) / 评论(0) 分类 2012年VOA慢速英语(一)月

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(146) / 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(133) / 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(109) / 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(86) / 评论(0) 分类 VOA标准英语2009年(六月)

Todd: Hey, so Jeff, you have an MBA, or you're studying to get an MBA? Jeff: I'm studying to get an MBA. Todd: OK, why did you choose to get an MBA. You don't seem like the business type of guy. YOu're always talking about nature and travel and art.

发表于:2018-12-25 / 阅读(81) / 评论(0) 分类 原版英语对话1000个

很久不见的好友Lisa, Karen和Gina一起吃饭。三个人都说,现在手头很紧,彼此交换勤俭持家的经验。Gina说,她们家实行三十天规则,想买什么东西,先要等上三十天,如果三十天过后还觉得需要

发表于:2018-12-25 / 阅读(96) / 评论(0) 分类 礼节美语

Education Report - United Nations Report Urges Putting Education to Work From VOA Learning English, this is the Education Report in Special English. A new United Nations report says over two hundred million young people in developing countries have n

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2012年VOA慢速英语(十)月

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(146) / 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(127) / 评论(0) 分类 VOA标准英语2012年(四月)

很久不见的好友Lisa, Karen和Gina一起吃饭。三个人都说,现在手头很紧,彼此交换勤俭持家的经验。Gina说,她们家实行三十天规则,想买什么东西,先要等上三十天,如果三十天过后还觉得需要

发表于:2019-01-15 / 阅读(112) / 评论(0) 分类 商务礼节美语

国庆长假一直是旅游旺季,热门景区都是人山人海;加上高速公路免收通行费,许多有车一族选择自驾游,在高速上打起了羽毛球。这个国庆,要么在景区哭,要么在家里笑,你选哪一样? 国

发表于:2019-01-22 / 阅读(105) / 评论(0) 分类 美国文化脱口秀

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(179) / 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(150) / 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(146) / 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(102) / 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(136) / 评论(0) 分类 英语新闻

有些流行用法书本上没有,但老外日常生活中却正在使用。小编帮你搜罗了这10个,赶快学起来吧! 1. meh: 还行,一般,相当于shrug的口语版(可自行脑补老外耸肩的动作) The film was a bit meh.

发表于:2019-02-19 / 阅读(121) / 评论(0) 分类 英语口语
学英语单词
abirritative
above-entitled
acceptor impurity
air-core transforer
all-in-one cable
asset-heavy
at the heart
beat-a-retreat
boom-bust
brouhahas
brown rice back
btb
bulbocavernous reflex
chargein
cheilinus undulatus
contour interval note
corniest
cynanchum atratum bunge
deprive ... of
diascopes
dichlorofenthion
digital to resolver converter
dihybrid
dry heat loss
equal aquals
ethylene diiodide
European boreal faunal region
fair - trade agreement
fal-pad
fender rod
fractalesque
Gelfand-Levitan integral equation
genus camptosoruss
glaze material
glycogenolytic nerve
going private
governmental ownership
Hebbs hypothesis
hebridess
hieropyra
htm (hard-tube modulator)
identified leakage
impoverishedly
inferior degeneracy
insulated metal roofing
interaction constant
interval transit time curve
IVACG
Lawrencepore
leprosed
list process
magnesite powder
malignant rhabdomyoma
meal-skipping
melted
minor leagues
multimedia domain
myelencephalitis
narrow-band-frequency modulation
nitritotriacetic acid
no-first-uses
nondances
order of quality
overfamiliars
overplan
paper mulberries
paradasynus spinosus
pc133 sdram
permeability resisting expansive cement
physiological zoology
Prichard
pulse repetition period jitter
quadrature
quick turnover and small profit
redundant moment
reefer cargo
relief-
reproductive power form stools
rubber-covered wire
scientific nature
scolecodont
semi-transcendental function
serotonectin
shubnikov groups
Sint Anna Bay
stretch neuritis
swinging moorings
throttle spindle
time-sharing quantum
topographic discordance
toprump
total length of turnout
triacetone
trollin'
unsurprisable
vertical instability
wave power generating ship
Werfenian
Wright Glacier
yeong
younger hand