[化] 有效换热面积

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(171) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(214) / 评论(0) 分类 疯狂英语2001年

I'd like to book a ticket for June 23rd. I'd like a round-trip ticket to Tokyo. I want an economy class ticket. Is it direct? What's the departure time? Can I change my flight schedule? When can I check in? How much luggage can I carry on? Which gate

发表于:2018-12-25 / 阅读(74) / 评论(0) 分类 英语口语900句

A Cool Sunburn A listener from Ontario, California wrote to A Moment of Science with a question her sons had asked her. The boys wondered why is it that when you get sunburned you often feel chilled. It really does seem like a contradiction: youve be

发表于:2018-12-31 / 阅读(88) / 评论(0) 分类 英语听力文摘 English Digest

LAN (IEEE 802.3 10BaseT) LAN (Local Area Network) is an Institute of Electrical and Electronic Engineers specification for a class of LANs using four-pair unshielded twisted pair (UTP) cable. See Loca

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 电信英语

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 Scientific American(八)月

New Generation Revolutionizes Environmental Activism Environmental activists have relied on public pressure, boycotts and confrontation to advance their cause over the past few decades. Now, a new generation of eco-warriors is revolutionizing environ

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 VOA标准英语2011年(六月)

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(133) / 评论(0) 分类 VOA标准英语2008年(五月)

GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(103) / 评论(0) 分类 2017年NPR美国国家公共电台5月

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

发表于:2019-01-20 / 阅读(113) / 评论(0) 分类 Scientific American(五)月

今天我们要学的词是heat。 大家都知道heat是高温的意思,那么不难想象,引伸一下,heat也可以理解为压力。还有两个多星期,美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid

发表于:2019-01-20 / 阅读(116) / 评论(0) 分类 英语每日一词

trade surplus 贸易顺差;贸易盈余;出超 trade unit value index 贸易单位价格指数 Traded Options Committee [Stock Exchange of Hong Kong Limited] 股票期权委员会〔香港联合交易

发表于:2019-02-01 / 阅读(137) / 评论(0) 分类 财会英语

狗狗为何光脚不怕冷 日本一位科学家研究发现,狗之所以能够光脚在雪地上行走自如,而不觉得冷,奥秘之处在于其脚掌上有个内部中央供暖系统,它能让温暖血液流到特定部位,以避免冰冷

发表于:2019-02-01 / 阅读(97) / 评论(0) 分类 实用英语

By Greg Flakus Piceance Basin, Colorado 12 November 2007 As the price of oil soars on world markets and demand for energy grows, energy companies are looking at so-called unconventional sources such as Canada's oil sands and the vast deposits of oil

发表于:2019-02-04 / 阅读(109) / 评论(0) 分类 VOA常速英语2007年(十一月)

One of the challenges the new economic zone faces is wetland preservation as in the middle of the area lays the largest freshwater reserve in Hebei province. 143 lakes, covering 360 square kilometers.... The Baiyangdian wetland is the largest freshwa

发表于:2019-02-05 / 阅读(109) / 评论(0) 分类 cctv9英语新闻2017年

国际班机 International Flight 班机号码 Flight Number 来回机票 Round-Trip Ticket 商务客舱 Business Class 国内班机 Domestic Flight 单程机票 One-Way Ticket 头等舱 First Class 经济舱 Economy Class 盥洗室 Lavatory 使用中

发表于:2019-02-06 / 阅读(82) / 评论(0) 分类 英文语法词汇

A climate council report has found heat waves in Australia are becoming more frequent, hotter and are lasting longer. It says some parts of the country experienced an average increase of one to three heat waves days in the last 60 days. Total fire ba

发表于:2019-02-14 / 阅读(73) / 评论(0) 分类 澳洲ABC新闻快递2014年

edge down 渐落;微降 edge up 渐升;微升 education subvention 教育资助金 Edward Wong Credit Limited 安泰授信有限公司 effective exchange rate index [EERI] 实际汇率指数;有效

发表于:2019-02-17 / 阅读(102) / 评论(0) 分类 财会英语

Nikkei 225 Index 日经225指数 Nikkei Index 日经指数 Nikkei Stock Average 日经平均指数 nil-paid share 未缴股款的股份 Nishi-Nippon Bank, Ltd. 西日本银行 Nishi-Nippon Finance (Ho

发表于:2019-02-17 / 阅读(113) / 评论(0) 分类 财会英语

今天我们要学的词是severe。 Severe, 严重的,严峻的。最近美国大部分地区陷入酷暑之中。 The elderly and the young are the most vulnerable to severe heat and humidity, 老年人和小孩子是最难以承受高温和湿热天

发表于:2019-02-18 / 阅读(102) / 评论(0) 分类 英语单词荟萃
学英语单词
abeigh
accordion files
acerate
activase
anti-radar overlay
apex dentis (epistrophei)
archtop
Basques
benzidion
bionomy
bituminous froth
block mark
burnooses
cacajaos
canceaux
cellarmasters
cervasternellum
chalcocitum
chicken pest
chlorinated kerosene
class action lawsuit
constant-current arc welding power source
county people's procuratorate
cross-trainers
deliberative democratic theory
diffuse insolation data
distributive costs
engastration
Eusebian
eyeball-to-eyeball
factor of safety against failure
feeder conveyer
Forestburg
form ratio
Ghallamane
glans of penis
go all round the houses
gordonii
great salt deserts
heaven-sents
hepatitis A
high-energy
ht-2 toxin
ice plants
indisputabilities
infective agents
jacking cycle
labial pit
lead frame
line height
luminous skeleton cannon minute hand
magnificently
main rod strap
Mandaly
Marc Antony
mezzani
monoxides
NHSR
non-cyanide plating
nonhomogeneous heterogeneous
Nouzilly
ogn
on the wing
ph-sensitive
porous bush
prefactual
pressoreceptors
priority interrupt control
put away for
pyrophoric iron
quasi-likelihood
radioactivetacer method
recombinants
redresseth
research fellowship
resumption of work
robotisation
round side mouth tong
rush the growler
saddle point method
SAXD
search behavior
semperidentical
serviceability limit
shachtman
Shumakovo
sodamide
soil-water heat pump
starch indicator
stick phosphorus
straight-line method of depreciation
texas-barbecue
triple integral
trouble shoot
tuberous sclerosis
United Nations securuity council
Untermünkheim
wall finish
ward-
weighted average
X-ray diffraction intensity
yikkering