单词:protomammals
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Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是
Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda
d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒
谈到视角,很多同学可能会问,当我谈论视角的时候,我在说什么。看以下GRE考试中的一句话: The large number of physiological and behavioral similarities between birds and mammals, which have separate evolutionary h
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Climate change affects seasonal eventsspring flowers open earlier, songbirds breed sooner. But what about mammals? A new study documents the effect on a
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about mammal populations in danger of disappearing. We will also tell about one kind of animal that disappeared
Could Rising Temperatures Mean Smaller Mammals? Scientists say in the ancient past, higher temperatures meant smaller mammals. Theyre studying how a brief, but dramatic climate change event affected body size. Its called the Paleocene-Eocene Thermal
[00:04.83]Lesson 13 [00:08.64]1.Learn to say [00:12.79]I'm going to talk about six types of animals. [00:16.34]我要说一说六种动物. [00:17.67]The first type-mammals.第一种--哺乳动物. [00:21.11]People are mammals.人类就是哺乳动物
在托福考试中,得阅读者得天下,为此上海新东方小编从词汇,题材,题型,解题方法等几大模块入手,为您精心整理了托福阅读技巧攻略的完整版,以方便广大考生备考。 托福阅读的词汇问
托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益善,还要尽量多背一些专业词汇。其
托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益善,还要尽量多背一些专业词汇。其
By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate
57 这种动物是人类的祖先吗? DATE=6-13-01 TITLE=SCIENCE REPORT - Ancestor of Humans BYLINE=Jill Moss (Start at 59
? 澄清托福阅读单词问题的两个误区? 托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益
In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年,以色列特拉维夫大学的一个小组认为,二叠纪芽孢杆菌与一
What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is
The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an