单词：high molecular compound
单词：high molecular compound 相关文章
Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w
英语语法 Grammar Girl
addition [ə'diʃən] n.加，增加(量) boss [bɔs] n.老板，工头 compound ['kəmpaund] n.复合物，化合物 difficult ['difikəlt] a.困难的 expert ['ekspə:t] n.专家，能手 headquarters ['hed'kwə:təz] n.司令部，指挥部，总部
TED演讲教育篇
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
Scientific American(四)月
I dont believe, in all my years, I have ever seen a fruit fly I would consider obese. But, thanks to the wonders of modern science, thats all about to change. Because a team of researchers from Cold Spring Harbor laboratory has produced the first fli
2017年Scientific American(一)月
Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic
美式英语正音训练
The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi
VOA标准英语2017年(8月)
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
Scientific American(十)月
1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ
美联社新闻一分钟2007
AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di
农业与发展
The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter
VOA标准英语2009年(八月)
This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz
2016年Scientific American(十)月
What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a
2018年VOA慢速英语(十二)月
文本： Maiev：Elune be praised! I knew you would come, Shando Stormrage! Malfurion：Im glad we reached you in time, Maiev. Maiev：Priestess Tyrande, Im surprised you came in person. Are you here to _(1)_ your guilty conscience? Tyrande：I did
小龟乐游记英语短文
By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays
货币英语
EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o
2006年慢速英语（三）月
Partially 'polished' rice provides nutritional and preventive benefits Naomi Seck | Washington, DC 04 May 2010 Researchers say they've discovered a component in rice that can actually prevent heart attacks. People worried about heart attacks get a lo
VOA标准英语2010年(五)月
The discovery of cells in the brain that act as the body's internal global positioning system, which won three scientists the Nobel Prize for medicine on Monday, opens an intriguing new window onto dementia. Since these spatial cells are among the fi
阅读空间
A judge in Los Angeles on Wednesday ruled that coffee companies like Starbucks must carry cancer warning labels in California. That's because the roasting process produces in coffee acrylamide, [??kr?l?ma?d] a chemical that can cause cancer. 在加州，
英语俚语天天说
ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin
英语新闻
How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗？ Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi
英语听力文摘 English Digest