Norway is one of the top ten aquaculture producers, and the industry goes to great length to secure feed for farmed fish. 挪威是十大水产养殖国之一,而其水产养殖业也是竭尽全力确保鱼食供给。 It has even sent factory shi

发表于:2018-11-29 / 阅读(107) / 评论(0) 分类 VOA标准英语2018年(十一月)

The warm waste environment of your mouth makes it a great place for bacteria, some of which keep busy causing cavities. Such dental difficulties were thought to a really taken-off for we switch from hunting gathering to agriculture and had a ready su

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 2014年Scientific American(一)月

New Concrete Recipes Could Cut Cracks能够对抗公路裂化的新型混凝土配方 There's a stretch of highway in Pennsylvania, along U.S. 422. And like every probably 20 feet you see a big pothole or cracking at the joint. Like everywhere. It wa

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 2017年科学美国人(五)月

The cold climate conifer forests of the north displaced broadleaved woodlands. Plants and animals were gradually pushed south to find a warmer climate. Florida became a refuge from the cold. Down here is where the Ice Age north met the subtropical so

发表于:2018-12-27 / 阅读(57) / 评论(0) 分类 探索与发现2013年

By Phil Mercer Sydney 22 May 2008 A couple has embarked on a journey around Australia in a car powered by leftover vegetable oil from fish and chip shops. Rachel and Gerard Mimmo plan to drive 18,000 miles in a specially designed four-wheel drive. Fr

发表于:2019-01-06 / 阅读(86) / 评论(0) 分类 VOA标准英语2008年(五月)

Welcome to This I believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. I believe in honor, faith and service I believe that a little outrage can take you a long way. I believe in freedom of s

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 2006年NPR美国国家公共电台

Dear Annie: I have a question regarding the etiquette of using handicapped stalls in public restrooms. Are they to be used only by the handicapped, or is it OK for others to utilize them if there are no handicapped persons in the restroom? I often se

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 英语时差8,16

By George Dwyer Washington, DC 07 August 2006 watch Parking Meter report A small company in the eastern U.S. state of Maryland has begun field-testing a new kind of parking meter. It uses sonar detection technology to determine when an automobile ha

发表于:2019-01-11 / 阅读(130) / 评论(0) 分类 2006年VOA标准英语(八月)

Technology Report - Event Aims to Build Interest in Science, Engineering This is the VOA Special English Technology Report. Last week we reported on Microsoft Corporations Imagine Cup finals in the United States. Team FlashFood from Arizona State Uni

发表于:2019-01-12 / 阅读(87) / 评论(0) 分类 2012年VOA慢速英语(六)月

Technology Report - 'FlashFood' App Wins US Finals in Imagine Cup for Students This is the VOA Special English Technology Report. Students from Arizona State University won top honors last week at the Imagine Cup finals in the United States. Microsof

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2012年VOA慢速英语(六)月

By Daniel Schearf Irbil 08 March 2008 Thousands of people have protested in the streets of Basra, Iraq's second largest city, over lack of security. Meanwhile, a mass grave has been found northeast of Baghdad containing about 100 decomposed bodies. D

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 VOA标准英语2008年(三月)

By Phil Mercer Sydney 30 May 2007 Ministers from members of the Asia Pacific Economic Cooperation forum - known as APEC - have decided at a meeting in Australia that development of clean energy technologies should take priority over a carbon-trading

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 2007年VOA标准英语(五月)

DAVID GREENE, HOST: And let's stay here in California, which is one of more than 20 states where marijuana is legal in some form, which, of course, means people can be exposed to marijuana on the street. So what about secondhand smoke? Is that a conc

发表于:2019-01-16 / 阅读(74) / 评论(0) 分类 2018年NPR美国国家公共电台3月

LINDA WERTHEIMER, HOST: This is WEEKEND EDITION from NPR News. I'm Linda Wertheimer. The last few weeks, we've been asking our colleagues here at NPR for their favorite holiday dishes. We've covered stuffing, mofongo and my favorite way to use Thanks

发表于:2019-01-16 / 阅读(128) / 评论(0) 分类 2016年NPR美国国家公共电台12月

AUDIE CORNISH, HOST: For many of us a new year means a clean start, the chance to toss out things we don't need anymore or get rid of bad habits. Well, the folks at Lake Superior State University in Michigan say we ought to start with some of the lam

发表于:2019-01-16 / 阅读(73) / 评论(0) 分类 2017年NPR美国国家公共电台1月

Radiation Might Help Heart Regain its Rhythm That beeping sound is the normal beating of a heart. But here's what the same heart sounds like, during a bout of ventricular tachycardia, or VT the racing beats are caused by an electrical short circuit i

发表于:2019-01-20 / 阅读(78) / 评论(0) 分类 2018年科学美国人1月

The British head of the U.N. Mine Action Program in southern Lebanon, Christopher Clark, and his 990-member team of mine clearers will receive the 2008 Nansen Refugee Award. The U.N. refugee agency says the prize recipients are being honored for the

发表于:2019-02-12 / 阅读(109) / 评论(0) 分类 VOA标准英语2008年(九月)