na. 化学符号法
词型变化:名词复数形式 : chemical notations

vocabulary 10000 第七部分 Lesson 19 The soldiers lay in ambush, waiting for the signal to open fire. The major ambushed his troops in the woods on both sides of the road. He is always bragging about what he can do with a car. Be sure that you clea

发表于:2018-11-27 / 阅读(1488) / 评论(0) 分类 刘毅词汇 10000

jealousy physically notation jeopardize length illuminate tangle articulate introduce horn queer consequent junior poultry bless estate swamp antique kidnap sip refugee enchant

发表于:2018-12-01 / 阅读(165) / 评论(0) 分类 用Mp3背六级单词

mute --n.哑巴,哑音字母,[律]拒不答辩的被告,弱音器;adj.哑的,无声的,沉默的;vt.减弱...的声音;vi.排泄 mutter --n.咕哝,嘀咕;v.咕哝,嘀咕 mutual --adj.相互的,共有的 myth --n.神话,神话式的人物(或事物),虚

发表于:2018-12-01 / 阅读(247) / 评论(0) 分类 新东方六级词汇

The Sign Makers Do the Sign Makers control us? They must have quite a profitable income and prestige. I wonder if they are the ones down the street with the large houses. I feel jealous. If I had thought about it when I was younger, I would have poi

发表于:2018-12-07 / 阅读(192) / 评论(0) 分类 世界上最伟大的演讲

OK, today we're going to talk about the mole. 今天我们来谈一下摩尔。 Now, I know what you're thinking: I know what a mole is, 我知道你现在在想:我知道摩尔是什么, it's a small furry creature that digs holes in the ground

发表于:2018-12-18 / 阅读(110) / 评论(0) 分类 TED演讲教育篇

Whether you like it or not, we use numbers every day. 不管你喜不喜欢,我们每天都会用到数字。 Some numbers, such as the speed of sound, are small and easy to work with. 有些数字比如音速,数值不大,容易计算。 Other

发表于:2018-12-18 / 阅读(94) / 评论(0) 分类 TED演讲教育篇

Bob给一家软件公司客户服务热线打电话,接电话的是 Gloria. 大家注意听客户服务一上来该怎样说。 Gloria: Good afternoon and thank you for calling GlobalCom's customer hotline. My name is Gloria...how can I be of assis

发表于:2018-12-25 / 阅读(114) / 评论(0) 分类 礼节美语

Mike: You have a great voice. You should join our choir. Grace: I dont know anything about music. I cant even read music. Mike: Its not that hard. I could teach you. Look, this is a piece were working on right now. Grace: Whats that weird thing at th

发表于:2019-01-01 / 阅读(110) / 评论(0) 分类 地道美语播客

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(211) / 评论(0) 分类 数学英语

by Jason Marshall Todays article is about decimal points and numbers and how theyre related to fractions. But first, the podcast edition of this tip was sponsored by Go To Meeting. Save time and money by hosting your meetings online. Visit GoToMeetin

发表于:2019-01-02 / 阅读(214) / 评论(0) 分类 数学英语

ASE Application Service Element 应用服务单元 ASE Amplified Spontaneous Emission 放大自发辐射 ASIC Application Specific Integrated Circuit 专用集成电路 ASF Advanced Streaming Format 高

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 电信英语

By Oksana Dragan Meet a young Ukrainian living in the Washington, D.C. area, who faced some special challenges in his life before becoming an accomplished musician and computer specialist. These days

发表于:2019-01-04 / 阅读(115) / 评论(0) 分类 VOA2004(下)--新闻盘点

HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. This week on our program we tell all about the very popular American television series Glee. And we play music from the show's many stars. But first we answer a questi

发表于:2019-01-06 / 阅读(147) / 评论(0) 分类 2010年慢速英语(一)月

It's called U-Carmen e-Khayelitsha literally Carmen of Khayelitsha. 这个电影叫U-Carmen e-Khayelitsha就是卡雅利沙的卡门。 I want to play you a tiny clip of it now for no other reason than to give you proof positive 我给各位演奏一小

发表于:2019-01-18 / 阅读(135) / 评论(0) 分类 TED演讲娱乐篇

Gibbs is perhaps the most brilliant person that most people have never heard of. Modest to the point of near invisibility, he passed virtually the whole of his life, apart from three years spent studying in Europe, within a three-block area bounded b

发表于:2019-01-29 / 阅读(121) / 评论(0) 分类 万物简史

Because chemists for so long worked in isolation, conventions were slow to emerge. Until well into the second half of the century, the formula H2O2 might mean water to one chemist but hydrogen peroxide to another. C2H4 could signify ethylene or marsh

发表于:2019-01-29 / 阅读(129) / 评论(0) 分类 万物简史

Listen to the interview and fill in T for True, F for False. 英语对话 A:At what age did you start to play the piano? B:lt's about my preschool age. A:Is it about 2 t0 3 years old? B:No, I think, it's about the age of 5. A:Could you read music not

发表于:2019-01-30 / 阅读(144) / 评论(0) 分类 英语听力练习题

Buying a designer handbag is a huge investment, and no-one wants to splash the cash only to find its actually a fake. But as the market for luxury carryalls has grown - so has the market for knock-offs. 购买奢侈品牌包包可谓是下血本的买卖

发表于:2019-02-01 / 阅读(141) / 评论(0) 分类 趣味英语

Bob给一家软件公司客户服务热线打电话,接电话的是Gloria. 大家注意听客户服务一上来该怎样说。 Gloria: Good afternoon and thank you forcalling GlobalCom's customer hotline. My name is Gloria...how can I be ofassistan

发表于:2019-02-12 / 阅读(159) / 评论(0) 分类 商务礼节美语

生活英语:解读葡萄酒瓶上的标签 Vintage. This is actually the first thing we look for ourselves. You don't need to have a vintage chart in your pocket or care whether 2001 or 2002 was a better year in the Sierra Foothills. The vast majo

发表于:2019-02-12 / 阅读(96) / 评论(0) 分类 实用英语
学英语单词
a rug
a work of time
Aborlan
actinomycotin
additional services
aelred
aerodromophobia
aim-criers
air control register
Alferovo
aligned dimensioning
alpha-receptor
alundum combustion boat
apostil(le)
atto-seconds
authoritarian character
be dead and gone
boerhaave
carboxyl phosphate
carrier deviation meter
chimneynook
clearance type seal
coil transfer car
Contumaza
conversational maxim
corona endurance
crossed fingers
cuntas
cypripedium parviflorums
dawn on sb
demurrable
disingenuine
donation tax
Dreyer formula
encoding scheme
factorials
finger cover
fluid motion equation
furnace coal
Gangri
geoarchives
helodium paludosum (sull.) aust.
imbricated leaf
impulse control disorder
inflated cost
irg
isoeugenol benzyl ether
japanese industry standard
jasper ware
joint sensibility
kerosene-oil mixture
list of instructions
memecylon ligustrifolium champ.
munida agave
nanofluids
national symbol
non-descriptors
nonadecyl alcohol
Nutracort
O-type gun
Ohian
oleostearin(e)
passive acceptance
Patulitrin
peacock mite
pedatrophia
power on self-test
practice message
pre-control of plant disease
precise gage
prerennin
Prismatomeris tetrandra
Propanedial
radiation warning assembly
radioiodinated serum albumin(RISA)
recappers
reductive otoplasty
right of prospecting
root canal filler
sales by grade
sally out
santa rosa de copan
scale invariant
scatter admittance
scrapiest
semen Pedicularis
shoot one's last bolt
skewed bridge
slotted countersunk flat head drive screw
sonora
speed of transmission
spiral nebula
Stratton St Margaret
TADL
Tennessee walking horse
Texas Tech University
thermomolecular
tin plated
Trypanomycin
tungsten-copper-nickel composition
waterflow
woven bag