单词：isotope substitute
单词：isotope substitute 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
考研英语词汇2005
The deeply divisive national health care law is before the nation's highest court on the first of three days of arguments. People on both sides of the debate appear to agree that the justices would rule on the heart of the case the constitutionality
2012年NPR美国国家公共电台3月
-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
生活大爆炸第一季
[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
听电影学英语-变形金刚
We don't have any more pens, can we substitute pencils. 已经不再有钢笔了，可用铅笔来代替吗？ substitute表示以...代替。注意上句中substitute后的pencils不是被替换的，而是用来替换pens的。如果要明确表明用
蒋健棠英语实用句子
Pre-Listening Vocabulary run out of: to use something until its gone; to need more of something substitute (noun or verb): something that is used in place of something else (to use in place of) equivalent: the same measurement puree: a mashed or liqu
趣谈英语
短语是新GRE考试有别于老GRE考试的另一个特色。在考试中，GRE短语的出现可能会让学生惊慌失措，因为同学们已经习惯了背诵单词，因此见到GRE短语的选项或题目中重要线索的选项机会害怕。
GRE英语
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
Scientific American(七)月
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're gifts that keep on giving. Researchers studying rocks brought back by ast
Scientific American(一)月
President Obama welcomed Haitian President Rene Preval at the White House today. Preval is in the US thanking Americans for their help after Haitis devastating earthquake in January. Mr. Obama says the quake was one of the most devastating incidents
2010年NPR美国国家公共电台3月
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
美联社新闻一分钟2012(七月)
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
TED演讲科学篇
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
TED演讲科学篇
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
TED演讲科学篇
Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We
实用英语
今天我们要学的词是 substitute。Substitute 名词，是替代，替补的意思。A substitute teacher is heir to a trove of gold coins worth more than $7 million. 一名代课老师继承了很多珍贵的金币，价值七百多万美元。
英语单词荟萃
WASHINGTON, Aug. 17 (Xinhua) -- Latest research shows that the Moon could be younger than previous estimates. The findings were published online Wednesday in the Nature journal. The prevailing theory of the Moon's origin is that it was created by a g
英语新闻
[00:13.68]Substitute Teacher [00:15.92]代课教师 [00:19.13]A substitute teacher [00:20.73]was trying to make use [00:22.68]of her psychology background. [00:25.29]She began her class by saying, [00:28.78]Everyone who thinks you're stupid, [00:32.3
英语笑话（MP3+文本）
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
中英双语新闻
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
生活大爆炸第四季