单词：isotactic polystyrene
单词：isotactic polystyrene 相关文章
The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw
VOA标准英语2008年（八月）
This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for
Scientific American(四)月
The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k
Scientific American(八)月
The moon mission is open to the public, 月球任务是对大众开放的 meaning anyone who has the financial capability 任何人只要能负担一亿元的机位费用 to afford the price of the seat, 就可以参加 they're each priced at a hundr
神秘的月球
1135 、 晶体点阵；晶体格构；晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、
英文名句短语
AS IT IS 2016-03-26 Kurds: IS Recruits Children For Suicide Attacks 库尔德人：IS招募儿童进行自杀式袭击 A Kurdish commander in Iraq says the Islamic State terror group recruits children as young as eight-years-old to carry out suicide
2016年VOA慢速英语(三)月
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
Hardline Stance on Iran Nuclear Deadline Could Be Pressure Tactic STATE DEPARTMENT As the March 24 deadline nears for Iran nuclear negotiators to agree on the fundamental structure of a final deal, both the U.S. and Iran increasingly have been vocal
VOA标准英语2015年(二月)
RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e
2017年NPR美国国家公共电台1月
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
The Noah's Ark Zoo Farm in the UK has a presentation about 30 reasons why man is not descended from apes. Given the establishment believes in creationism, that presentation is no surprise. But that school children would attend the place has some educ
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GUANGZHOU, Dec. 1 (Xinhua) -- After four games in two weeks in the Chinese Basketball Association league (CBA), Gerald Green, former NBA slam duck contest winner, was sacked by Foshan Longlions club. Foshan Longlions Club of CBA told media that it de
英语新闻
1. Straw Man Fallacy 1. 稻草人理论 It is very frustrating to have your thoughts summed up and attacked. Its especially maddening when someone misunderstands your beliefs, describes them all wrong, and then attacks your position! This distortion
实用英语
But there's no guarantee rescue will come,and with such little water here, 是否有人救援还是未知之数 此地淡水贫乏 your health will start to decline rapidly. 人的健康状况会迅速恶化 Given that choice, I'd build a raft and se
荒野求生
陈豪在北京的ABC美国公司工作。他跟美国同事Amy一起走出会议室。 (Office ambience) C：Amy, 今天我第一次主持会议。你觉得怎么样？ A：I thought you did well considering that you have not been in that position b
英语新闻
在很多影视作品中，我们都看到过以强欺弱的画面，可能是在监狱、学校或者工厂。这样的欺凌行为在英语中统称为bullying，而发出这样行为的人就是bully。今天我们要说的，是在职场处处为难
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