单词:oxygen isotope paleotemperature
单词:oxygen isotope paleotemperature 相关文章
[00:04.10]inhabit inhabitant [00:06.48]vt.居住于,(动物)栖息于 n.居民,住户 [00:08.86]inherent inherit [00:11.13]a.天生的,固有的,内在的 vt.继承 [00:13.40]initial initiate [00:15.97]a.开头的,最初的;词首的n.词首大写字母
First, let's start by busting one myth about yawning. A lot of people have the misconception that we yawn because our brains need more oxygen. However, several studies have shown that no matter how little oxygen is around a person, they won't yawn mo
-Penny: So what'd you get the birthday boy? 你们给生日主角准备了什么? -Howard:Well, Raj got him an awesome, limited edition Dark Knight sculpture awesome:棒极了 limited edition:限量版 Knight :骑士 sculpture:雕塑 Raj给
AGRICULTURE REPORT -January 8, 2002: Composting By Gary Garriott This is the VOA Special English AGRICULTURE REPORT. Many farmers around the world are composting to improve their soil so they can prod
By Gary Garriott Broadcast: July 22, 2003 This is Robert Covent with the VOA Special English Agriculture Report. Many farmers around the world are 1)composting to improve their soil so they can produc
[00:04.52]Judy? Better call the city. We got a blown transformer! 老婆,打给市政府,变电箱烧了 [00:06.92]Power pole's sparking all over the place! 电线杆也到处在喷火花 [00:08.36]Oh, man. Yard's a waste. 院子没救了,全毁了
A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But
This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola
Mars 火星 Mars is a planet. 火星是行星。 It is next to the Earth. 它紧邻地球。 Its size is about one fourth of the Earth. 它约有四分之一个地球大。 Mars is not far from the Earth, but the environment is very different. 火星离
1. Almost eight years after Yasser Arafat's death, Palestinian officials are preparing for a possible autopsy on his remains. That after his widow said a Swiss lab found elevated levels of a lethal radioactive isotope on the longtime leader's belongi
And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道,科学家们怎么会知道几亿年以前的氧气浓度? The answer lies in a slightly obscure b
By combining their isotope findings with other fossil residuespollen levels and so on, 把对同位素测量的结果和能够说明其他情况(如花粉浓度等)的别的化石残留物结合起来, scientists can, with considerable confiden
Trees in real forests might also share information below ground. 在真正的森林中,树木可能还会在地下交流信息。 But this was really controversial, and some people thought I was crazy, 但这个想法其实挺有争议的,一些人
The first day of the experiment, we got out to our plot 实验的第一天,我们来到了实验地点, and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现,把我们赶跑了。 And I had no bear spray. But
You see, like all networks, mycorrhizal networks have nodes and links. 你们看,就像所有的网络一样,真菌的网络中也有节点和链接。 We made this map by examining the short sequences of DNA of every tree and every fungal indivi
凭借在iTunes和MySpace的成功,来自美国加州的流行女歌手科尔比凯拉特(Colbie Caillat)的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周,这张《Coco》共售出5万1千张,在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前
AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im
Hello, I'm Nil Nunes with the BBC News. The British Prime Minister, David Cameron, is preparing for a day of frantic diplomacy in Brussels, as he tries to win support from the twenty-seven other European leaders to achieve the reforms he wants. The d
生活大爆炸第四季第十集_1 剧情简介: The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有