单词：sellmeier coefficients
单词：sellmeier coefficients 相关文章
今天要讲的三个习惯用语里都有一个关键词，那就是hard。Hard这个词也有许多解释。它经常被用作形容词，意思是某一样东西很硬或者是做某件事很困难，有的时候也可以指很激烈。我们今天要
美国习惯用语
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有声畅销书-秘密
我们上次学到了好几个由buy这个词组成的习惯用语. Buy通常解释买，而卖这个词的英文是sell。今天我们要讲几个包括sell这个词的习惯用语。第一个是: hard sell。很多人知道hard这个词可以解释硬
美国习惯用语
A man wanted to sell a very fine horse．He stood in the market with his horse for three mornings but no one noticed that his horse was an exceptionally good one．He went to see Bo Le，who was well-known for his ability to judge horses．Sir，I ha
趣味英语
By Cheng Xiao Hong and Zhang Songlin St. Louis, Missouri 19 September 2006 watch Bissell Dinner Theatre The Bissell Mansion Restaurant and Dinner Theater in the Midwestern city of St. Louis, Missouri promises visitors the chance to get away with mur
2006年VOA标准英语（九月）
1. Flood fears in the Midwest are now moving downriver. The Illinois Army National Guard is helping with sandbagging duties in Quincy. And about 100 miles downriver, evacuations are underway in Grafton. A total of five deaths have been linked to the
美联社新闻一分钟2008年6月
This is the VOA Special English Health Report. Vaccines and chest compressions are both ways to save lives. Now, separate new reports say each could save more lives if they were used more. One report is from the International Federation of Red Cross
2010年VOA慢速英语(九)月
Polio Virus Used to Kill Brain Tumors 脊髓灰质炎病毒被用于杀死脑部肿瘤 Researchers are using the polio virus to fight cancer cells in the brain. A team at Duke University is using a polio virus to infect tumor cells. It sets off an im
2016年VOA慢速英语(四)月
AntiGravity Yoga Gains Popularity At first glance, students hanging upside down on hammocks made of silk cloth hanging from the ceiling seems more like acrobatics than yoga. When I first saw people hanging upside down from hammocks and calling it yog
VOA标准英语2012年(六月)
KELLY MCEVERS, HOST: After communism collapsed in Europe and Germany was reunited, many people in the former West Germany saw themselves as being on the right side of history. Many people in the former East Germany wanted to forget their communist pa
2017年NPR美国国家公共电台3月
KELLY MCEVERS, HOST: There's a stereotype that Germans aren't funny. One reason for that is the World War II era. That's when the Nazis sent Jewish entertainers to the death camps. And many non-Jewish German comedians refused to perform under the Thi
2017年NPR美国国家公共电台7月
LULU GARCIA-NAVARRO, HOST: It's that time of year - sugar plum fairies dancing in delight, the Mouse King, a gorgeous Christmas party and a prince. (SOUNDBITE OF TCHAIKOVSKY'S THE NUTCRACKER SUITE, OP 71) GARCIA-NAVARRO: The Nutcracker ballet is a be
2017年NPR美国国家公共电台12月
'Ghosts' Takes On A Tough Topic For Children play pause stop mute unmute max volume 00:0000:00repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. RACHEL MART
2016年NPR美国国家公共电台9月
AA: Im Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- using a dictionary to help define the law of the land. RS: The next time you go to an English dictionary to look up a word or settle an argument, you might take comfort in knowin
英语单词大师-Word Master
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- using a dictionary to help define the law of the land. RS: The next time you go to an English dictionary to look up a word or settle an argument, you might take comfort in knowi
词汇大师(Wordmaster)
JEFFREY BROWN:Finally tonight: How much for that surgery or this ventilator? The government today released data showing some of these costs for the first time, targeting what hospitals bill Medicare for the 100 most common procedures. And it turns ou
PBS访谈健康系列
GWEN IFILL: Now: A new study spotlights the soaring financial and emotional burden that many families are coping with from dementia and Alzheimer's disease. The cost of caregiving for those patients is now some of the highest of any illness. William
PBS访谈健康系列
Brazil's National Institute of Amazonian Research and Germany's Max Planck Institute have joined efforts to build the Amazon Tall Tower Observatory (ATTO). Located along the waterways of a northern tributary of the Amazon River, the observatory was f
英语新闻
Don't sell that cow 别卖那头牛 The wise old Mother Superior was dying. The nuns gathered around her bed, trying to make her comfortable. They gave her some warm milk to drink, but she refused it. Then one nun took the glass back to the kitchen.
趣味英语
Promoted Frankfurt remains unbeaten at Bundesliga BERLIN, Sept. 30 (Xinhua) -- Newly promoted Eintracht Frankfurt kept their unbeaten streak alive as Alexander Meier's brace was enough to come back to win 2-1 over Freiburg in the sixth round of Bunde
英语新闻