单词：5-hydroxindoleacetic acid (5-hiaa)
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Before you listen We suggest you do the vocabulary activity below before you listen. Then listen to the episode and do the first task to check your understanding. Finally, practise some vocabulary and grammar. Match the words and phrases in the boxes
英语听力 大城市小世界
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
The Zhenjiang vinegar is made from sticky rice. 镇江香醋的原料是糯米 Production starts with soaking the sticky rice. 浸泡过的糯米经过高温蒸煮 The rice is first steamed in high temperatures until the starch component gets sticky.
舌尖上的中国第一季
by Adam Freedman Todays topic: Can the state force you to attend Alcoholics Anonymous, or similar programs with religious overtones? Before I go any further, Im happy to tell you that this article is brought to you by Carbonite Pro. For a free trial
法律英语 Legal Lad
Dr. Wangari Muta Maathai was born in 1940 in a village in Kenya. In 2004, she became the first African woman to receive the Nobel Peace Prize. The judges valued her contribution to sustainable development, democracy and peace. She is also a member of
各国名人英文介绍
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠
医务英语
Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol
医务英语
在美国，80%的女孩在她们10岁的时候便开始节食。在这个真实而质朴的演讲中，神经学家桑德拉阿莫特用她自己的故事讲述了大脑是如何控制我们的身体的。她还探索了为什么节食不仅不起作用
TED公开课:吃吧
AS IT IS 2013-08-01 AARP Experience Corps Teaches Children to Read Hello, and welcome back. Im Jim Tedder in Washington. On todays program, encouraging news about some older American citizens who are making a special effort to help young people. And
2013年VOA慢速英语(八)月
AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa
2016年VOA慢速英语(二)月
Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin
VOA标准英语2013年(四月)
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
ARI SHAPIRO, HOST: A giant, inflatable chicken which looked oddly like President Trump appeared outside the White House on Wednesday. It created a sensation and then disappeared. With her curiosity piqued, NPR's Vanessa Romo went to investigate. VANE
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ELISE HU, HOST: Tomorrow, a California judge could decide if Gloria Single will be reunited with her husband, Bill. She's 83. He's 93. The two lived in the same nursing home until last March. That's when Gloria Single was evicted without warning. NPR
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67 维生素C能否破坏DNA？ DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59
科技之光
By Cathy Majtenyi Enoosaen, Kenya 11 September 2006 Maasai dancers from Enoosaen village in western Kenya commemorate the 9/11 terrorist attacks that took place in the U.S. five years ago On the fifth anniversary of the September 11 terrorist attack
2006年VOA标准英语（九月）
年底到了，大家免不了吃吃喝喝，有时候我们AA，有时候有人请客，Jenny和Connor要和大家聊一聊关于付钱的英语。 过年吃吃喝喝要怎么说？ Wining and dining: 吃吃喝喝 Wining: 精致的酒水 Dining: 精致
美国文化脱口秀
白洁很喜欢跟她的朋友一起出去吃饭！但是决定谁来付帐会出些问题！所以我们今天一起学怎么用美语决定谁来付帐！ 1) Split it, Splitsies, Split it down the middle = AA付 2) Go threesies 3个人分担 3) I g
OMG美语
Tone Damli Aaberge 《Stupid》：清新摇滚风来袭 Tone Damli Aaberge 出生于1988年4月12日，是位来自挪威的年轻女歌手。当她才17岁的时候，曾参加了2005年那届挪威偶像。可惜她在比赛中获得亚军，屈居于
经典英文歌曲