单词：peroxo-disulfate
单词：peroxo-disulfate 相关文章
By Lisa Schlein Geneva 30 December 2006 The U.N. refugee agency says it is preparing for the possible exodus of thousands of Somalis to neighboring countries, in the wake of the fighting between Ethiopian-backed government troops and Islamist fighte
2006年VOA标准英语（十二月）
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
英文魔法师字源大挪移
32 A Robot Babysitter In 2005 Japan made a new robot. It can take care of a child. The new robot is called iPapero. It weighs 13.2 pounds, and has a body of 15.2 by 10.3 and by 9.8 inches. iPapero is a small robot, but it has many special skills. It
背诵为王第一册
The Obama administration has unveiled a plan to reduce the role of nuclear weapons as part of its national security strategy. The government is promising not to launch a nuclear attack on non-nuclear states and says it sends a message to Iran and Nor
澳洲ABC新闻快递2010年
Adults can have a tough time learning a new language. Some opt for language immersion, in which the person spends all their time reading, listening to and speaking the new language. Now research reveals that immersion students do indeed learn the new
Scientific American(十一)月
bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽 【记】bed床
不择手段背单词
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
By David McAlary Washington 06 December 2006 New biological evidence casts more doubt on Libyan government charges against six imprisoned Bulgarian and Palestinian medical workers accused of deliberately infecting several-hundred Libyan children wit
2006年VOA标准英语（十二月）
By Doug Levine Washington 17 January 2007 Renowned jazz saxophonist and composer Michael Brecker died January 13 of leukemia in a New York City hospital. He was 57 years old. As VOA's Doug Levine tells us, Brecker's impact on today's generation of ja
2007年VOA标准英语（一月）
Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d
世界各地新闻集锦
A number of senior executives from the Chinese division of GlaxoSmithKline are the focus of a criminal investigation. The Ministry of Public Security has been questioning a number of GSK employees amid allegations they offered large bribes to governm
世界各地新闻集锦
Language Immersion Impedes Access To Native Tongue A study in the journal Psychological Science finds that students learning a new language in a total immersion environment had reduced access to their original language. Steve Mirsky reports Adults ca
60秒科学
AMERICAN MOSAIC - Watergate, Nixon, 'Deep Throat': What Was That All About? By Nancy Steinbach and Caty Weaver Broadcast: Friday, June 17, 2005 (MUSIC) Welcome to AMERICAN MOSAIC, in VOA Special Engli
American Mosaic
Chinese Premier Li Keqiang is set to pay an official visit to South Korea and attend the sixth Trilateral Summit Meeting between China, Japan and South Korea. It will be Li's first visit to South Korea as premier and the first visit to South Korea by
阅读空间
Francis Gary Powers Jr. (left) meets Karl Alperovich, who was a co-designer of the missile that shot down the US U2 spy plane Power's father flew over the Soviet Union in 1960 The unusual fate of two American fathers and their sons recently intersect
VOA标准英语2010年(五)月
今天Larry和李华要到朋友Bob家里，Bob因为要搬家，所以把他的立体音响卖给Larry。今天李华会学到两个常用语：dibs和shotgun. LL: I'm really glad that Bob gave me fi
美国之音《流行美语》
Como la flor Con tanto amor Yo s que tienes un nuevo amor Sin embargo, te deseo lo mejor Si en m, no encontraste felicidad Tal vez, alguien ms te la dar Como la flor Con tanto amor Me diste t, Se marchit Me marcho hoy Yo s perder Pero, ay, cmo me due
The Voice 美国好声音
We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S
英语时差8，16
First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先，我对您说，海底有锌、铁、银、金等矿藏，开发并不是不可能的事。
《海底两万里》中英双语有声读物
Solar power is helping bring about a future of cleaner energy, but there are limits to where rigid solar panels can go. A new kind of flexible solar cell made with a mineral called perovskite can go almost anywhere, says physicist Olga Malinkiewicz.
VOA标准英语2019年(二月)