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(130) / 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(170) / 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

发表于:2018-12-18 / 阅读(187) / 评论(0) 分类 2018年VOA慢速英语(二)月

(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(196) / 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(123) / 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

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 VOA慢速英语2007年(九)月

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(148) / 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(138) / 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(419) / 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(168) / 评论(0) 分类 经济学人科技系列

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发表于:2019-02-17 / 阅读(209) / 评论(0) 分类 经济学人综合

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学英语单词
Allium globosum
ambivalent racism
amphichromation
artron
assumption about random term u
aureo
break the journey
brush weir
bruske
bucket-wheel loader
bunger hills
cadimium chlorate
Calidris
carcino-embryonic antigen
chaldasite
chunnels
circum-Pacific orogenic zone
closing circuit
conventional mining
crassum
creating value
determinate structure
device configuration overlay
duchon
earlier-than-expected
electro-ion recombination
electromagnetic impulse
emergency light circuit breaker
feed-channel
film splitting
fixture models
fling at
flux cored electrode
from every side
front position
geometric distributed lag function
gravity sintering
haematose
halfspaces
harbo(u)r portal crane
heat-sterilization
Henry the Great
hippodromes
humid cabinet
hypnogram
IC
incidence edge
indemnify
Indian banyan
Indian relish
indirectly-heated cathode
intertheoretical
intervulcanizability
Kaa-Khem
kayseris
lake dwelling
lead cathode counter
liquid gate printing
Logbara
Macrodactylus
mancos shale
maximum capability
mcchord
misqualifying
mobile phase front
music-boxes
myriapodiasis
narrowbacks
non contact micrometer
payment of tax
plumbosolvency
pseudomerulius aureus
punish the spread
qualitative colour base method
quick-setting
raining buckets
restrictus
retransliterating
revener
secondary ion bombardment
sedimentation reaction
sequential marked graph
shellman
sit on someone's skirttails
stochastic differentiability
straight-shank drill bit
sweep-frequency heterodynetype analyser
tetrahy-drozoline
thatched shed
three-jaw collet chuck
timing sterilizer
Tizzio
Trifon
umbilical side
variable-moderator reactor
venous plexus of hypoglossal canal
vest-pocket camera
westernises
withycombe
woodline
Zecǎ, Otok
Zhuyin