古老固有种, 古老种

字源大挪移 Prefix - 表示方位的字首 14 epi

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发表于:2018-12-04 / 阅读(96) / 评论(0)

英文魔法师字源大挪移

PBS高端访谈:制药公司Mylan推出肾上腺素笔EpiPen

GWEN IFILL: Drugmaker Mylan has been under heavy fire for its soaring price hikes for EpiPens, the lifesaving necessity for those with serious allergic reactions. Its price has skyrocketed to as much as $600 for a set of two. At first, Mylan offered

发表于:2018-12-05 / 阅读(87) / 评论(0)

PBS访谈健康系列

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

发表于:2019-01-02 / 阅读(117) / 评论(0)

科技之光

Biosolids

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(96) / 评论(0)

VOA2003（下）-农业与经济

Evan Gant:cymatics:技术使声波可视

Evan Gant使声波可视，给我们展示了cymatics的科技性和艺术性。cymatics不仅可以分析复杂的声波，例如海豚的声音，还可以创造复杂而漂亮的设计。

发表于:2019-01-05 / 阅读(54) / 评论(0)

TED公开课:头脑游戏

2007年VOA标准英语-Film Depicts Cruelty of War

By Amra Alirejsovic Los Angeles, California 26 April 2007 Harun Mehmedinovic is a young Bosnian-American filmmaker who is studying at the American Film Institute (A.F.I.) in California, one of the most prestigious film schools in the world. His late

发表于:2019-01-12 / 阅读(145) / 评论(0)

2007年VOA标准英语（四月）

美国国家公共电台 NPR Discounts Aren't Enough to Halt Outrage At High EpiPen Prices

Discounts Aren't Enough to Halt Outrage At High EpiPen Prices KELLY MCEVERS, HOST: If you have a severe allergy to nuts or bee stings, you probably know what an EpiPen is. It's a plastic tube and needle that gives a dose of epinephrine when you press

发表于:2019-01-17 / 阅读(62) / 评论(0)

2016年NPR美国国家公共电台8月

美国国家公共电台 NPR 'Epicurious' Editor Goes Inside The Home To Find Greatest Chefs

AUDIE CORNISH, HOST: Stanley Tucci, Rachael Ray and Patti LaBelle - what do these people have in common? They're among the 100 greatest home cooks of all time according to Epicurious. The idea for the list came from editor David Tamarkin. And while s

发表于:2019-01-17 / 阅读(68) / 评论(0)

2017年NPR美国国家公共电台6月

VOA常速英语2008年-Congo's Southeastern Cholera Epidemic Grows

By Nico Colombant Dakar 14 February 2008 Aid workers in the Democratic Republic of Congo are expressing concern that a cholera epidemic in the southeastern mining region is getting worse, despite attention to the problem. About 100 people have died s

发表于:2019-02-06 / 阅读(68) / 评论(0)

VOA常速英语2008年（二月）

VOA标准英语2008年-Aid Agencies Warn of Threat of Disease, Epidemi

Aid agencies are warning of the threat of disease in India's Bihar State, which has been hit by devastating floods. Anjana Pasricha reports from New Delhi the floods have displaced an estimated three million people and killed at least 90 people. Vil

发表于:2019-02-11 / 阅读(65) / 评论(0)

VOA标准英语2008年（九月）

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学英语单词

ammonium primary phosphate