[网络] 氨基烟酰胺

英语听力：2013-12-27 地平线：什么害死了我们的蜜蜂—16

Over 2 years of study, Randolf has shown that these doses neonicotinoids do affect bees' higher cognitive processes, especially their memory of the landscape around them.-We tested about 200 bees, both controlled bees and pestcide-treated bees, and w

发表于:2018-12-03 / 阅读(77) / 评论(0)

探索与发现2013年

英语听力：2013-12-29 地平线：什么害死了我们的蜜蜂—17

-There are at least pieces of evidence which show really serious impacts from levels of neonicotinoids that bees, wild bees could be exposed to in wild environment.And the arguement against the ban was laid out by one of the pesticide manufacturers.

发表于:2018-12-03 / 阅读(95) / 评论(0)

探索与发现2013年

经济学人:分子生物学蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

发表于:2018-12-05 / 阅读(92) / 评论(0)

经济学人科技系列

VOA慢速英语2015 研究发现杀虫剂杀死野生蜜蜂

Study: Insecticide Is Killing Wild Bees 研究发现杀虫剂杀死野生蜜蜂 A new study says a widely-used insecticide is damaging wild bee populations. Wild bees are important, because they pollinate crops and wild plants. Environmentalists in t

发表于:2018-12-16 / 阅读(53) / 评论(0)

2015年VOA慢速英语(五)月

VOA标准英语2012--Studies Link Bee Decline to Insecticide

Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha

发表于:2018-12-16 / 阅读(54) / 评论(0)

VOA标准英语2012年(三月)

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(93) / 评论(0)

Scientific American(一)月

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(70) / 评论(0)

Scientific American(四)月

英语听力：探索发现 2014-01-01 地平线：什么害死了我们的蜜蜂—18

Lin has recently become R* spokesperson in the neonicotinoid debate.-The big advantage of neonicotinoids is that you can plant the seed already treated. It means the farmer doesn't have to spray. If you've got to spray, it's very expensive. It's got

发表于:2018-12-27 / 阅读(52) / 评论(0)

探索与发现2014年

英语访谈对话 68 Pasta Dish

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook Manicotti, Tacos, lots of food. Todd: OK. So what is Manicotti? Jessica: Manicotti is...it

发表于:2019-01-02 / 阅读(61) / 评论(0)

英语访谈对话

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(155) / 评论(0)

科技之光

专业术语—基因专业词汇A/B

发表于:2019-01-03 / 阅读(70) / 评论(0)

医务英语

实战口语情景对话第67期:意大利面食 Pasta Dish

Todd: OK, Jessica, we are going to talk about cooking. 杰西卡，我们来谈一谈做饭。 Jessica: OK. 好的。 Todd: Now, you like to cook! 你喜欢做饭！ Jessica: Yes. 是的。 Todd: OK. What can you cook? 你会做什么？ Jessica: I c

发表于:2019-01-15 / 阅读(61) / 评论(0)

实战口语情景对话

原版英语对话1000个:068 Pasta Dish

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook manicotti, tacos, lots of food. Todd: OK. So what is manicotti? Jessica: Manicotti is...it

发表于:2019-01-20 / 阅读(73) / 评论(0)

原版英语对话1000个

【英语趣味课堂】意大利面食-Pasta Dish

发表于:2019-01-25 / 阅读(59) / 评论(0)

英语趣味课堂

【有声英语文学名著】夜色温柔 Book 2（21）

Tender Is the Night - Book Two by F. Scott Fitzgerald Chapter 21 Rosemary had another dinner date, a birthday party for a member of the company. Dick ran into Collis Clay in the lobby, but he wanted to dine alone, and pretended an engagement at the E

发表于:2019-01-26 / 阅读(73) / 评论(0)

有声英语文学名著

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(138) / 评论(0)

经济学人科技系列

经济学人107:克雅氏病攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技克雅氏病攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(118) / 评论(0)

经济学人科技系列

万物简史第408期:生命的起源(2)

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起，就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(53) / 评论(0)

万物简史

每天吃鲑鱼像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(332) / 评论(0)

阅读空间

【英语口语练习册】意大利面

发表于:2019-02-27 / 阅读(117) / 评论(0)

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