盘式水银传感温度计

Many professions have their own words and expressions. This is true for the medical profession. Doctors use many technical terms that most people do not understand. But there are also expressions we use every day to tell about a persons health. Let m

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 2011年VOA慢速英语(一)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(174) / 评论(0) 分类 2009年NPR美国国家公共电台7月

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(89) / 评论(0) 分类 彭蒙惠英语

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(九)月

Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan

发表于:2019-01-02 / 阅读(126) / 评论(0) 分类 60秒科学

必备知识4:一些必要的词根(stems) -anthro-,-anthropo- human anthropology -aster-,-astro-,-stellar- star asterisk -audi-,-audit- hear audience -auto- self autograph -bio- life biology -capit- head, chief capital, captain -ced-go, move,yield p

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 雅思英语

Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups

发表于:2019-01-14 / 阅读(88) / 评论(0) 分类 VOA标准英语2015年(九月)

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

发表于:2019-01-19 / 阅读(99) / 评论(0) 分类 世界各地新闻集锦

The most ambitious of these studies is the Stonehenge Hidden Landscapes Project, led by experts from Birmingham University And Ludwig Boltzmann Institute in Austria.-As people walk over the Stonehenge landscape, they are aware of Stonehenge. They may

发表于:2019-01-23 / 阅读(109) / 评论(0) 分类 探索与发现2015年

Most thermometers have numbers down to forty degrees (40) below zero. There the numbers stop, 大部分温度计向下标出的度数最低是零下40度,在零下40度这儿数字就停止了, for when the mercury gets down to that point it free

发表于:2019-01-24 / 阅读(60) / 评论(0) 分类 美国学生世界地理教材

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(114) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(231) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(109) / 评论(0) 分类 英语新闻

plateau n. (上升后的)稳定水平(或时期、状态) plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成

发表于:2019-02-06 / 阅读(124) / 评论(0) 分类 英文语法词汇

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(148) / 评论(0) 分类 VOA常速英语2008年(二月)

NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of

发表于:2019-02-08 / 阅读(114) / 评论(0) 分类 英语新闻

在肯塔基州路易斯维尔,有位已故的老人,她叫Nadine Stair ,在她85岁高龄的时候,有人问她,如果她再有一次生命的话,她会做些什么。下次我犯的错误会更多,她回答道。 When the late Nadine

发表于:2019-02-19 / 阅读(80) / 评论(0) 分类 阅读空间

And the final thing is, again just to reiterate that there's this practical part, 最后,只是再一次重申,这个研究的实际应用方面, and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

发表于:2019-03-04 / 阅读(151) / 评论(0) 分类 TED演讲教育篇

Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣,是因为在过去十年间,我们发现这种现象不只局限在这种古怪的、 glow-in-t

发表于:2019-03-04 / 阅读(165) / 评论(0) 分类 TED演讲教育篇

近日,我国首颗商用遥感卫星成功发射。这颗备受瞩目的星星都具备哪些功能?它的升空具有什么意义?在实现人们飞天梦的同时,它又能为我们的生活带来怎样的便利呢? 请看相关报道:

发表于:2019-03-11 / 阅读(152) / 评论(0) 分类 英文语法词汇
学英语单词
a cattle yard
acid chrome dyes
active-effluent drain pipe
adjusted actual inventory
alfa-romeos
alls-over
Amtrack
analgin injection
antenna power
applied communication technology
back-cloths
bacterio-phaeophytin
behler
betroths
binary eutectic
caractacuss
cheliceral seta
choice of factory site
Cholac
Christmas tree pattern
cogging stand of rolls
compute-bound job
cornell list processor
dactylopodium
deferred perpetuity
Deyeuxia hupehensis
digital compact cassette tape
donnica
endoxylophyte
epiphysdeoesis
exhaust-loss
exorrhizal
flasqued
fraud audit
full transparent text mode
general contractor
genus coragypss
given that
graphic job processing
gravitational high
green geese
gunport shutter
hack saw blade
hard copy numeric input
health hazard assessment
helicline
hexamethylenetetramines
hologenesis (d.rosa 1931)
housing subsidy
intercoxal process
Iscariotic
Japanese paint
just right
K-selection rule
kneeboss
liquid phase conversion
loose overburden
mahalia jacksons
manufacturing change note
master-of-ceremonies
Minusinsk
moor fore and aft
morston
NHCP
on the qui vives
operational stripping ratio
ophiothrix plana
optical fibre communication
out beyond one's depth
pectinatoly
periodical cicadas
pharyngea
Poland
popularmechanics
preive
primary sex cord
primitifs
program routine
quartus
refloorings
remote control terminal unit
resource librarian
restaveks
restriction and generation
rewinded
rhythmlessly
right-justified tab
Roanoke Island
royen
ruing
sad-sack
sage green
Santaluz
secure oneself against accidents
starter breakdown voltage
takes the mickey
thermo-cracking distillation
to lick
unreclaimed region
us sap
watsons
wool fabric