[电] 比例计数管
(proportional counter tube 的复数)

More and more of the world's population are living in towns or cities. The speed at which cities are growing in the less developed countries is alarming. Between 1920 and 1960, big cities in developed countries increased two and a half times in size,

发表于:2018-12-03 / 阅读(115) / 评论(0) 分类 英语听力小短文走遍全世界

Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien

发表于:2018-12-06 / 阅读(147) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构

发表于:2018-12-18 / 阅读(99) / 评论(0) 分类 英国学生科学读本

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(125) / 评论(0) 分类 英文语法词汇

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(155) / 评论(0) 分类 Scientific American(九)月

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(205) / 评论(0) 分类 科技之光

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(142) / 评论(0) 分类 电信英语

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 电信英语

And I had to quit and come and do this thing called A Better Place. 我于是退出了SAP的CEO的竞选,开始了这个名为更美好的地方的方案。 Now we then decided to scale it up. We went to other countries. 然后我们决定把这个方

发表于:2019-01-03 / 阅读(121) / 评论(0) 分类 TED演讲科技篇

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 Scientific American(四)月

drain作名词的时候可以指下水道。看见go down the drain这个习惯用语,你头脑里可能会出现这样的情景:有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里,在他还没来得及作出反应的

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 美国俚语

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 原版英语对话1000个

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(191) / 评论(0) 分类 美国习惯用语

The Laws of Work 工作法则 After any salary raise, you will have less money at the end of the month than you did before. 涨工资以后,到月底你兜里剩下的钱会比以前还少。 Don't be irreplaceable. If you can't be replaced, you ca

发表于:2019-01-28 / 阅读(124) / 评论(0) 分类 英语小达人

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(154) / 评论(0) 分类 万物简史

1. Everything can be filed under miscellaneous. 任何事都能归为杂事。 2. There is never enough time to do it right the first time, but there is always enough time to do it over. 永远没有足够的时间在第一次就把事情做好,但永

发表于:2019-02-01 / 阅读(144) / 评论(0) 分类 实用英语

non-payment 不缴付;不付款 non-performing assets 非营运资产 non-performing loan 非营运贷款;不履约贷款 non-profit-distributing body 非分配利润的组织 non-profit-making 非牟

发表于:2019-02-17 / 阅读(124) / 评论(0) 分类 财会英语

property passing on a death 死者去世时转移的财产 property portfolio 房地产投资组合 property situated outside Hong Kong 在香港以外地方的财产 property tax 物业税 property t

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 财会英语

Today is the first Thursday in May, which is often an election day in Britain. People in many parts of England are voting today in local council elections. In Scotland there are elections to the Scottish Parliament, and in Wales there are elections t

发表于:2019-02-19 / 阅读(95) / 评论(0) 分类 听播客学英语
学英语单词
5-bromo-2'-deoxycytidine
air cooled compressor
antishrinkage
arresteth
attract sb.'s attention
avoidance behavior
B strain
Bayes decision
bell-shaped symmetrical curve
bicyclo heptene
biosemiotics
branch cuts
breaking balls
cationic dyes
Chuzelles
clearing-bank
coenochyma
complete heart block
continuous carbonization
contour sheets
crescent incision
data potentionmeter
deep sea propagation
dodecuplet
Dwolla
emst
existing client
exorcisory
fair sheet
filot
fine crush road
free-flooding
genus lasiuruss
hearts and minds
Hytrinex
ice cream cabinet
identity message
Ilex hylonoma
individual tax
input job stream
intermediate range ballistic missile (irbm)
justify oneself for one's conduct
Laminariophyceae
late snack
layrock
leukocyte extract
lock rib
longitudinal trim
lug pattern
made a poor fist at
menthyl borate
merry-go-round reactor
mesorhine
metacism
minimarts
molsep
monotransactivators
multi-level hoisting
Natrii Sulphas
orchard disk harrow
overawed
parotid space
peaked wave
performance scorecard
philaenus castaneus
pig pile
power and control cable penetration
prophages
pseudo cationic polymerization
rational-legal
red neuralgia
register distance
rehauling
rein in
scissors grips
self-appraisals
self-winding watch
shashes
sied
specific lien
sphaerotheca pannosa(wallroth)lev.
steamer payed dues
stoolle
strained routing of line
strategic interceptor
super-regenerative receiver
survival horror
sybil
synodontis
synthetic auxins
system rehearsal
tenant of the demesne
tonsillar
trial batch method
van de Graaff generator
vivans
weeding hoe
weight gainings
wing back
wire grid lens antenna
witticize
wrongful deaths