音标:[hәu,mɔiә'θә:mәl] ;
a. [动]恒温的, 同温的, 温血的(亦作homoiothermic)
a. Maintaining a uniform temperature; haematothermal;
homothermic; -- applied to warm-bodied animals, because they maintain a
nearly uniform temperature in spite of the great variations in the
surrounding air; in distinct from the cold-blooded (poikilothermal)
animals, whose body temperature follows the variations in temperature
of the surrounding medium.

In June, the Oxford English Dictionary, or OED added about 1,000 words and new definitions to its website. The changes are to help users understand a mix of terms, some dating back many centuries. The additions include words such as brencheese deaths

发表于:2018-12-08 / 阅读(287) / 评论(0) 分类 2018年VOA慢速英语(六)月

Broadcast: Jan 17, 2003 At the unveiling of the First Europeans exhibit, Ellen Futter, president of the American Museum of Natural History, offered reporters, 1) anthropologists and other scientists a

发表于:2018-12-08 / 阅读(340) / 评论(0) 分类 VOA2003(上)-科技先知

Study: Neanderthals Were Artists Some of the worlds oldest cave art is too old to have been made by modern humans, researchers say. Studies suggest that Neanderthals were responsible for creating cave drawings found in modern-day Spain. They also app

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(WA-LC) Well, if there are no more questions I would like to continue our discussion of human evolution by looking at Homo erectus, the earliest of our ancestors who stood upright. Homo erectus lived about one and a half million years ago and was gi

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I don't want any hassles with the fuzz. hassle:麻烦 fuzz:[美俚]警察 我可不想跟条子发生口角。 -Howard:Fine, what color do you want? 好吧,你想要什么颜色? -Sheldon:You know the pale blue of Luke Skywalker's Lightsa

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00:00:02 OPRAH WINFREY: Hattie Mae, this child is gifted, and I heard that enough that I started to believe it. 00:00:08 ROGER BANNISTER: If you have the opportunity, not a perfect opportunity, and you don't take it, you may never have another chance

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I Icariin 淫羊藿甙 Imperatorin 殴前胡素 Indigo 靛蓝 Indirubin 靛玉红 Inokosterone 牛膝甾酮 Insularine 岛藤碱 Insulin 胰岛素 Inulicin 旋覆花内酯 Iosmatrine 异苦参碱 Isoa

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China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(403) / 评论(0) 分类 英语新闻

By VOA News 12 February 2008 Astronauts from the space shuttle Atlantis are formally opening the new laboratory at the International Space Station Tuesday. Crew members set up electrical and data lines linking the new Columbus laboratory to the stati

发表于:2019-01-08 / 阅读(251) / 评论(0) 分类 VOA常速英语2008年(二月)

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember. This week, we will tell how a discovery in Kenya has started a scientific debate about early human ancestors. We also will tell how peo

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New Species Might be Human Ancestor Fossils found in a South African cave might belong to a new species of early humans that holds a unique place on the evolutionary road to modern man. On a 2008 mapping expedition in Malapa, South Africa, American p

发表于:2019-01-13 / 阅读(319) / 评论(0) 分类 VOA标准英语2011年(九月)

Science and Technology 科技 Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanity's family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 THE opening scene of Mel B

发表于:2019-01-26 / 阅读(312) / 评论(0) 分类 经济学人科技系列

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

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发表于:2019-02-12 / 阅读(655) / 评论(0) 分类 2016年VOA慢速英语(七)月

Science and technology 科学技术 Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanity's family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brooks's film History of the Wo

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发表于:2019-02-17 / 阅读(389) / 评论(0) 分类 经济学人综合

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学英语单词
'angs
a fam
accenter
alarm cut out
almodovars
anti-impact gear
antigua and barbudas
atmospheric oxidation
Blancpain
broken traces
Buksφr Odde
campaign hats
capture bubble air craft
carbon profile
catty-corner
cement sand molasses process
channel decode
chemical derivatization
coaxial extrusion
complementary argument theorem
completion of a field
continuous insulation
dibranchiate
dividing wheel
dominical altar
down upon edge
drumette
dry evaporator
economic injury level
endosalpingiosis
Evans, L.
French dip
frequency response testing
further education headmaster league (fehl)
gas-chromatographic
Gentiana striata
gertrude lawrences
Gibran, Kahlil
give ab a good hand
hazem
heartfelt thanks
heat of association
helium abundance
history of trees
hypocatalasia
ileums
infared
intones
lake victorias
lantern bug
lanthanotuss
lay ... to rest
line counter file
Margaret Mitchell
mechanically-actuated power meter
Monte Rosa
moon-light
most of them
network of roads
non-operator control for department
nonrigid rotator
oil and gas
Organa circumventriculares
orgeats
orthographic rule
ostentatiousness
outward transfer bridge
over drilling
pallidin
pathetic fallacy
penetration speed
plat-forms
product fulfillment
profits from
punch-up session
rami bronchialis eparterialis
ray displacement
reconstructive
retarded injection timing with speed
righthanders
safe coefficient
sec.-butyl
self-sufficing
semantic attribute
serpent star
Setiles
shmucks
soft burning
sound production
standard body beef
sterilization by oil bath
struttings
talweg
thermal-process phosphatic fertilizer
Tom Tailor
top of cutting slope
unpaired relocatable term
valve packing gland
vegf
venae palpebrales
vfo (variable-frequency oscillator)
Wang Yangming