和湿度比

Black and White黑与白 Sometimes you hear it said that white is a combination of all the colors of the rainbow -- and that black is the absence of color. Find out more about whether black and white are colors -- today on Earth and Sky. JB: This is Ear

发表于:2018-12-07 / 阅读(93) / 评论(0) 分类 (科普英语)Earth and Sky

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(195) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 数学英语

By Jeffrey Young Dunblane, Scotland. March 13, 1996. A man walks into a school with a number of handguns and opens fire. Sixteen kindergarten children and a teacher are slaughtered. Britain reacts wit

发表于:2019-01-03 / 阅读(79) / 评论(0) 分类 VOA2004(下)--时事新闻

Chinese smartphone vendor Xiaomi Corp, best-known for its online sales strategy, said on Wednesday that it aims to generate 70 billion yuan (10.2 billion dollars) in revenue from its stores in the next five years. 中国智能手机供应商小米公司

发表于:2019-01-03 / 阅读(86) / 评论(0) 分类 阅读空间

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Heres a novel potential public health measure against the flukick up the humidity. The cold, dry months of winter signal the start of flu season. But previous resear

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(二)月

The technology giant sold 47.5 million iPhones in the quarter to 27 June, up 35% on a year ago, with Mac computer sales up 9% to 4.8 million. The performance resulted in what chief executive Tim Cook called an amazing quarter.Profits rose by 38% to $

发表于:2019-01-17 / 阅读(64) / 评论(0) 分类 实用英语

the total solar eclipse is one kind of very unusual phenomenon, in that several minutes, the sky brightness will drop 1,000,000 times suddenly, the temperature can fall suddenly suddenly. Moreover the total solar eclipse time is longer, the temperatu

发表于:2019-01-17 / 阅读(83) / 评论(0) 分类 英语作文

Gaming is no longer confined to a desktop computer, with many enthusiasts now using tablets and smartphones to play while on the move. In China, the mobile games market is booming. Over the next few years, experts predict the industry will be worth b

发表于:2019-01-19 / 阅读(151) / 评论(0) 分类 世界各地新闻集锦

Listen to the dialogues and check the items they have talked about. 英语对话1 A:Jenny, could you read tomorrow's weather report for me? B:What's it about? A:l'd like to know the wind and weather conditions. B:Why? A:Because Tom and I are going fi

发表于:2019-01-30 / 阅读(75) / 评论(0) 分类 英语听力练习题

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 英语新闻

We've all been there, looked at our watches and panicked, just like in Alice in Wonderland. -It's just a rabbit with a waistcoat -- and a watch! -Oh, my dear and whiskers, I'm late! I'm late! I'm late! Now it seems, time is also running out for Smart

发表于:2019-02-07 / 阅读(90) / 评论(0) 分类 英语新闻

Chinese tech giant Huawei on Wednesday said its global smartphone sales jumped by 39% in the first half of the year. 中国科技巨头华为周三称,其全球智能手机销售量今年上半年激增,增幅达39%。 It comes after the world's

发表于:2019-02-08 / 阅读(63) / 评论(0) 分类 阅读空间

Picking the right font for your email,presentation,or friendly notice stuck on the office wall can be head-aching。 在发电子邮件,做演讲,甚至在写个贴在办公室墙上的友情小提醒时,都需要选择一种字体。如何选择

发表于:2019-02-09 / 阅读(63) / 评论(0) 分类 求职英语

During a news briefing at the Johns Hopkins Applied Physics Laboratory on Tuesday, NASA scientists revealed what they've gleaned from the latest photos of Pluto. The New Horizons spacecraft was set to make its closest approach of the dwarf planet on

发表于:2019-02-11 / 阅读(89) / 评论(0) 分类 英语新闻

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(116) / 评论(0) 分类 英闻天下

The technology giant sold 47.5 million iPhones in the quarter to 27 June, up 35% on a year ago, with Mac computer sales up 9% to 4.8 million. The performance resulted in what chief executive Tim Cook called an amazing quarter.Profits rose by 38% to $

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 英语新闻

Fancy footwear in an array of dazzling colours has been the order of the day. What are the most popular choices? And how many players have dared to wear old-fashioned black? It used to be that coloured boots were the sole preserve of one or two flash

发表于:2019-02-17 / 阅读(61) / 评论(0) 分类 阅读空间

电机行业常用的中英文对照

发表于:2019-02-18 / 阅读(160) / 评论(0) 分类 英文语法词汇

His idea of a vacation was to travel to Cornwall to study hookworm in miners. 去康沃尔研究矿工们的钩虫病算是他的假日。 Aldous Huxley, the novelist grandson of T. H. Huxley, who lived with the Haldanes for a time, T.H.赫胥黎的孙

发表于:2019-02-25 / 阅读(60) / 评论(0) 分类 万物简史
学英语单词
abrasion resistant cast iron
acoustic impulse response
acoustical conductivity of wood
al-mutawa
aluminum equivalent
annular borer
antenna pattern loss
anti-foamer
basaltic nephlinites
be lost on sb
bearer policy
binocular(telescope)
blotched
boom shaker
break one's back
charge exchange injection
cluster coupling
commission house
complete catalogue
constant volume combustion
contusion of palpebra
current crossripples
curved arm
cushion plants
debare
Dolcvmene
environmentally sound
equiform
etch cut
Eurasian Union
euselates perraudieri taivanica
fractional change
fresh-air duct
Fritillaria ussuriensis Maxim.
gaseous type
give an account of oneself
grab-rails
guider
guy strain insulator
hypercriticisms
impeccability
interpreter used in code generation
irradiated dose
Istiophoridae
Jumunjin
kalo-
lightweight camera
lxxxiv
lych-gates
magnification factor for amplitude
medullary phloem bundle
meenies
midstep value
moreand
Mosciano Sant'Angelo
muffity
muscle-wasting
nuclear spontaneous reaction
oillet
Omulew, Jezioro
outfawning
oxalic amide
peaces out
pelvic varicosis
perfrigeration
petitor
pharmacology
pharyngeal constrictor
photoemitter
pipe connection clip
playing at
presumption of law
proprietor's capital
quadrilateral prism
registry certificate
regular representation of compact group
retour
rozos
sales recap
scut
secret ink
septuple space
siliciate
soft furuncle
sparsholt
stagescene
statistical map
stemlike leaf
Strait of Kerch
structural joint gap
substantive unconscionability
summary of operations
T wave
tacking mortgage
texture finish
The tables are turned.
toxiphobias
traffic in transit
triiodo ether
Turing's thesis
Tymbyr
under-ease