手动旋转式切削工具

Intelligent Crows Use Tools

Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re

发表于:2018-12-16 / 阅读(118) / 评论(0)

2016年VOA慢速英语(九)月

ESL Podcast 907 – Buying Tools at a Hardware Store

Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not getting power tools. We just nee

发表于:2019-01-01 / 阅读(132) / 评论(0)

地道美语播客

Female Genital1 Cutting

Broadcast: Feb 24, 2003 By Jill Moss This is the VOA Special English Development Report. Activists for the rights of women have declared a yearly observance to oppose the cutting of female sex organs.

发表于:2019-01-02 / 阅读(159) / 评论(0)

VOA2003（上）-社会广角

VOA标准英语2011--st Known Human Hand-Ax Found in Kenya

Earliest Known Human Hand-Ax Found in Kenya Archaeologists working in northwestern Kenya have found a skillfully hand-crafted stone ax which appears to have been made nearly 1.75 million years ago, making it the oldest such tool ever discovered. The

发表于:2019-01-07 / 阅读(138) / 评论(0)

VOA标准英语2011年(九月)

运动休闲—攀岩:The ABCs of rock climbing

Rock climbing is the original extreme sport． Basically , rock climbing is going from the bottom of a wall to the top and then back down again. The main goal is to have fun while doing so and to pref

发表于:2019-01-07 / 阅读(213) / 评论(0)

奥运英语

60秒科学:On-The-Job Chimps Use Multiple Tools

To do a job right, you need the right tools. Even a chimp knows that. According to a study in the American Journal of Primatology, chimps in the Congo use multiple tools to capture army ants. Youve probably seen footage of chimps using sticks to har

发表于:2019-01-07 / 阅读(178) / 评论(0)

60秒科学

VOA常速英语2007年-Cutting Your Own Tree a Popular Christmas Tradi

By Tetiana Vorozhko Washington, D.C. 21 December 2007 Christmas trees in the United States are not only a holiday tradition but big business as well. Every year Americans buy some 30 million live trees. They are grown at special farms like the 'Pepe

发表于:2019-01-11 / 阅读(136) / 评论(0)

VOA常速英语2007年（十二月）

VOA慢速英语 2008 0304b

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(143) / 评论(0)

VOA慢速英语2008年（三）月

VOA慢速英语 2008 0107a

This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United

发表于:2019-01-11 / 阅读(116) / 评论(0)

VOA慢速英语2008年（一）月

VOA标准英语2014--Bottle Museum Showcases Centuries-Old Handmade Glass Bottles 玻璃瓶博物馆展出历史悠久的手工玻璃瓶

Bottle Museum Showcases Centuries-Old Handmade Glass Bottles 玻璃瓶博物馆展出历史悠久的手工玻璃瓶 BALLSTON SPA, NEW YORK Until the beginning of the 20th century, glass bottles - for pharmacies, breweries, and dairy farms - were all

发表于:2019-01-14 / 阅读(129) / 评论(0)

VOA标准英语2014年(一月)

美国习惯用语:556 on the cutting edge

我们今天要学的习惯用语都有这个单词：edge。它最常用的意思是边缘，但是在今天要学的第一个习惯用语里edge这个词的意思却是刀剑的刀刃。今天要学的第一个习惯用语是：on the cutting edge。

发表于:2019-01-14 / 阅读(243) / 评论(0)

美国习惯用语

2013年ESL之日常生活 16 Buying Tools at a Hardware Store

Buying Tools at a Hardware Store Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not

发表于:2019-01-23 / 阅读(241) / 评论(0)

2013年ESL之日常生活

【有声英语文学名著】不会发生在这里（10）

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(260) / 评论(0)

有声英语文学名著

DEVELOPMENT REPORT - Tools for Development

DEVELOPMENT REPORT – July 29, 2002: Tools for Development By Jill Moss (Photo -CARE) This is the VOA Special English Development Report. Building things or making clothes can be difficult in develop

发表于:2019-01-30 / 阅读(170) / 评论(0)

农业与发展

DEVELOPMENT REPORT - Study Links Custom of Female Cutting to

DEVELOPMENT REPORT - Study Links Custom of Female Cutting to Infertility By Jill Moss Broadcast: Monday, August 29, 2005 I'm Bob Doughty with the VOA Special English Development Report. New research s

发表于:2019-01-30 / 阅读(141) / 评论(0)

农业与发展

英语词汇分类：石油化工

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井，油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(167) / 评论(0)

英文语法词汇

Lesson 125 - TRAILBLAZER / CUTTING EDGE

trailblazer cutting edge 今天我们要给大家介绍的两个俗语都有

发表于:2019-02-03 / 阅读(199) / 评论(0)

美国习惯用语

Helping Others 美国方式：帮助他人

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(170) / 评论(0)

实用英语

Only the Best Are on the 'Cutting Edge'

Now, the VOA Learning English program Words and Their Stories. For todays program, we go into the kitchen! There is a good chance you do not go one day without using a knife. It is an important tool when cooking, and without it, you could not make ma

发表于:2019-02-12 / 阅读(154) / 评论(0)

2019年VOA慢速英语(一)月

TED演讲:我们不要一成不变的教育(3)

Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友，但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new

发表于:2019-02-13 / 阅读(117) / 评论(0)

TED演讲国际问题篇

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学英语单词

antenna grounding switch

apparatus for butt welding

arc-trigonometric function

brass screw down bib cock

brickled

bright eye