音标:[,tetrə'ɔnid] ;
【鸟类】
n.
鸡形目禽鸟
adj.
鸡形目禽鸟科的

A: We made it! B: Great! There so much I want to play on. A: What do you want to do first? B: Lets go down the slide. A: Make sure youre careful. B: This is great! A: Howd you like the slide? B: The slide was so much fun. A: What would you like to do

发表于:2018-12-02 / 阅读(69) / 评论(0) 分类 英语情景对话-邻居

A: Were here! B: I want to go play! A: What do you want to do first? B: I want to go down the slide. A: Dont run, and be careful. B: I will. This is so much fun. A: Did you enjoy the slide? B: Yes. It was great. I went so fast. A: What else do you wa

发表于:2018-12-02 / 阅读(74) / 评论(0) 分类 英语情景对话-邻居

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

According to UNAIDS(联合国艾滋病规划署)estimates there were 38.6 million adults and 3.2 million children living with HIV at the end of 2002, and during the year 5 million new people became infected with the virus. Around half of all peop

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 阅读空间

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 万物简史
学英语单词
-rrhinia
aluminum glycinate
anhanguerids
at second hand
attribute analysis
basic-research
baumen
beat it up
bergapton
bi's
bimodal sensors
bistramide
bread spinning
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Chlorophyceae
Christia hainanensis
Cistothorus palustris
Colognian
Concentration account
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duality theory
edomites
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gry-
hair-net
half-tones
Hemitelia
hypothetical price
independent arch method
Internet Control Message Protocol
isoporous anion exchange resin
jarbua terapon
judge-of-law
larasa
latitude of a heavenly body
Le Bousquet-d'Orb
line interface adapter
loading drift
Lostice
machine massing
makeabler
malson
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medievalise
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Oxenstjerna
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rachialgic
reciprocal energy theorm
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saw about
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Venado, Pta.
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wyth