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(359) / 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

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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(489) / 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

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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(393) / 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(406) / 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(746) / 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

发表于:2019-02-16 / 阅读(442) / 评论(0) 分类 经济学人科技系列

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学英语单词
4-hydroxypyridine
a warrant for arrest
aged sheep
ammonium hydroxide
anaprotaspis
apportioners
Aspidorhynchus
azobanzoic acid
birkebeiner
carius method
Cassiope pectinata
chromel wire gauze
collaborative information system development
common equipment of crop drying
container load minimum weight
continuous-waste-and-vent
cylindric hair
debit of honor
departure date
design change verification
detribalised
dithio-erythritol
equivalent thickness
eruption cyst
evisceroneurotomy
eyewater
field microclimate
foil stone
fractionating rectifying tower
freerunner
gas-meter
Genderen
german monetary units
gigantism of bone
gradient thinlayer chromatography
gyro room
HBCT
heating stylus
hepatic ligament
heptapetalous
hernon
hnh
hoist the flag at half-mast
icon-
ilidar
inch-meal
index of dealer's stocks
inductive step
intagliotype
interstage trandformer
IP surveillance
istrias
kcet
libelees
lineshaft
lymphadenhyperophia
Malayised
Management of Cleaning Pollutants from Ships
manager placement
marital deduction
micrometer screw
mineral lard oil
minimum payment
nasal index
nonretroreflective
nonsenior
Nory-Chevrières
opaque sky cover
pointed tip
political bureau
positive fraction
prunellidaes
public expenditures on education at current market prices
random chain conformation
rostral column
sarasri
scheduled data
schucks
scirtids
sembl-
senior civil servant
shower cubicle
silk gland
smulkin
spring-toothed weeder
static optimization problem
story-line
sulci frontalis inferior
sulfantimonate
tank lining
ten-inch
thelymania
tire band
unit conveyor
uropodite
vacuum oxidation
visual control board
water drainage works
witmer
Zall-Xhuxha