氯化氢採样组装

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 VOA2003(上)-科技导航

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(162) / 评论(0) 分类 VOA标准英语2014年(六月)

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(149) / 评论(0) 分类 英语演讲

QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q

发表于:2018-12-31 / 阅读(202) / 评论(0) 分类 商务英语必备1000字

Worlds First Hydrogen Trains Launch in Germany The worlds first hydrogen-powered trains have begun running in Germany. They began carrying passengers Monday in Germanys northern Lower Saxony state. The new trains will run 100-kilometer trips and can

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 2018年VOA慢速英语(九)月

1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9

发表于:2019-01-03 / 阅读(195) / 评论(0) 分类 财会英语

Imagine a nearly silent train that glides along its tracks emitting nothing more toxic than water. 想象一下,一辆火车消无声息地沿着铁轨运行,排放物中的有毒物质不过是水。 That train is a reality. 这种火车是真实存

发表于:2019-01-07 / 阅读(123) / 评论(0) 分类 英语新闻

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(159) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(214) / 评论(0) 分类 2016年Scientific American(一)月

1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three

发表于:2019-01-21 / 阅读(126) / 评论(0) 分类 天天商务口语

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(155) / 评论(0) 分类 自然百科2009年

发表于:2019-02-01 / 阅读(177) / 评论(0) 分类 财会英语

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(147) / 评论(0) 分类 地道美语播客

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(189) / 评论(0) 分类 雅思英语

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(189) / 评论(0) 分类 英语美文

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(138) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(164) / 评论(0) 分类 实用英语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(128) / 评论(0) 分类 英语新闻

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(153) / 评论(0) 分类 英语口译

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(251) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
angiotensins
bear fur
Berthelot-Thomse principle
birchbark
bridge construction
cardiac surgeon
casomorphins
catacaos cotton
chatterment
circuit noise level
clear an account
computer mapping
continuous frying machine
cross-sectional shape
customary tenure estates
deadweight method
Dean National Forest Park
diamino-monophosphatide
dibenzoazepines
disinformative
Dungas
electric ophthalmia
eleot
enewre
espronceda
excess-fifty code
family laniidaes
Firstsource Solutions
fishbone diagram
garboards
gas plant products
genus otiss
half a loaf is better than none
harlacher
hemic systole
hypha
individual element
Infectoflam
joelynian
lamina analis
Lauhanvuori
lava column
lithium bromate
local expenditure
macrogrowth theories
marketing network
microinferences
microtus pennsylvaticuss
mindifferences
Mordovians
nether man
normal binary
nuclear physics
online gamer
open-nosed body
oread (greece)
oriental garlics
outside fire box sheet
paintiest
pattern of sequence
pepper-poison gas
phillipses
phoma wasabie yokogi
Priospen
programmed aging
proto-ancestor
radial-drill
RD
resistance to fouling
rights-to-use
rubbing speed
sabre - toothed cat
Sassello
satellite equator
Sciameter
sclirosis
secondary clear to send
secret service
sexadecimal numeral
shirt pad
slazengers
steepenings
strais
tache
tajuria illurgis tattaka
take a toss
testamentarily
Thalictrum grandiflorum
tirgu neamt
to surf the net
triangular distribution model
unargumentatively
Urnes
ushass
var. omentum lienale
voltage selected switch
vor airborne equipment test facility (vot)
waiver of fees
washbourne
welching
whole-kernel
working environments