脉冲聚焦飞行时间质谱仪

TED演讲：单词的诞生(10)

We call this a co-viewing clique, a virtual living room if you will. 我们称之为共视团体，你可以把它当成一个虚拟的客厅 And there are fascinating dynamics at play. It's not one way. 这里头上演着引人注目的戏剧。它不

发表于:2018-12-02 / 阅读(174) / 评论(0)

TED演讲教育篇

Albert Einstein

Broadcast: Jan 22, 2003 By Marilyn Christiano VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, Explorations. Today we tell about a scientist who

发表于:2018-12-07 / 阅读(163) / 评论(0)

VOA2003（上）-科技导航

Historic Kilogram Measure to Be Replaced

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(112) / 评论(0)

2018年VOA慢速英语(十一)月

最大太阳能飞机完成环球之旅

Solar-Powered Plane Completes Trip Around the World 最大太阳能飞机完成环球之旅 For the first time, a solar-powered airplane has completed a trip around the world. The Solar Impulse 2 landed in Abu Dhabi before sunrise on Tuesday, after a

发表于:2018-12-16 / 阅读(94) / 评论(0)

2016年VOA慢速英语(七)月

雅思词汇:学科专业

雅思词汇:学科专业在雅思考试中关于学科专业类信息很多，大家要注意在平时学习中多多积累，一起来学习吧！ psychology 心理学 engineering 工程学 architecture 建筑学 basic course 基础课 specialized

发表于:2018-12-18 / 阅读(179) / 评论(0)

雅思英语

SSS 2011-01-24

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? In a laboratory vault outside Paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide. By an 1889 international

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Scientific American(一)月

侏罗纪搏击俱乐部第164期:渡河时发生大屠杀

When the Pachyrhinosaurus bodies came to the bend in the river the momentum of the water push their carcasses to the outer edge of the bend. 当肿鼻角龙的尸体来到河流的转弯处，水流的动力将它们的尸体冲向河流转弯处外缘

发表于:2018-12-28 / 阅读(100) / 评论(0)

侏罗纪搏击俱乐部

早读英语精华本下册 Unit17

Stay Thin By Sleeping More A study published Monday found that people who sleep less tend to be fat, and experts said it's time find if more sleep will fight obesity. We've put so much emphasis on diet and exercise that we've failed to recognize the

发表于:2019-01-02 / 阅读(110) / 评论(0)

早读英语精华本

英语语法：108 When to Use Articles Before Nouns

Several listeners have written with questions on when to use the definite article the, the indefinite article a, or neither. For example, Tracy W. wrote, Which is correct: Thank you for taking time to review my application, or Thank you for taking th

发表于:2019-01-02 / 阅读(131) / 评论(0)

英语语法 Grammar Girl

良好的公共交通能促进身体健康并有减肥功效

Residents tended to stay thinner when a commuter train was added to their region, because of increased exercise walking to and from stops City planners and citizens alike frequently push for better public transportation. They argue that it can lessen

发表于:2019-01-02 / 阅读(173) / 评论(0)

60秒科学

运动休闲－减肥秘诀之二：消耗脂肪的力量训练

Two: Strength Training 减肥之二：力量训练 Strength training or resistance exercises use your existing muscular strength to improve muscle mass and burn fat. The result is more lean muscle mas

发表于:2019-01-03 / 阅读(164) / 评论(0)

奥运英语

SSS 2010-07-09

City planners and citizens alike frequently push for better public transportation. They argue that it can lessen traffic and reduce emissions from cars. Now theres a new reason to be gung-ho about public transitit helps make people skinnier. Thats ac

发表于:2019-01-08 / 阅读(114) / 评论(0)

Scientific American(七)月

VOA慢速英语2014 法萨利亚种植园庆祝200周年

Pharsalia Plantation Celebrates 200 with Old Time Music 法萨利亚种植园庆祝200周年 Thats old time American music to celebrate an anniversary -- for a house. Pharsalia Plantation is on a beautiful mountain country road in Virginia. You can u

发表于:2019-01-12 / 阅读(129) / 评论(0)

2014年VOA慢速英语(七)月

VOA慢速英语2015 什么能够帮助雅加达庞大的交通问题?

AS IT IS 2015-03-04 What Can Help Jakarta's Huge Traffic Problem? 什么能够帮助雅加达庞大的交通问题? The Indonesian capital Jakarta has long been held up as an example of a major city that cannot stop nor support its continuing growth.

发表于:2019-01-12 / 阅读(112) / 评论(0)

2015年VOA慢速英语(三)月

英语小达人 405:Stay Thin by Sleeping More

Stay Thin by Sleeping More 想苗条多睡觉 A recent study found that people who sleep less tend to be fat，and experts said it's time to find out if more sleep will fight obesity. 最新的一项研究表明睡眠不足的人易发胖。专家们表

发表于:2019-01-28 / 阅读(113) / 评论(0)

英语小达人

EXPLORATIONS – Albert Einstein

EXPLORATIONS – Albert Einstein By Marilyn Christiano Broadcast: Wednesday, February 23, 2005 VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, E

发表于:2019-01-28 / 阅读(167) / 评论(0)

Explorations

每日一词【328】launch：发起，创办

今天我们要学的词是launch。 Launch, 有发起，创办的意思。巴基斯坦反对党领袖布托宣布，如果穆沙拉夫总统拒绝结束国家紧急状态，她就要在星期五发动大规模集会示威， Benazir Bhutto announced

发表于:2019-02-03 / 阅读(129) / 评论(0)

英语每日一词

太阳能飞机飞越大西洋后在西班牙降落

AS IT IS 2016-06-24 Solar-Powered Airplane Lands in Spain 太阳能飞机飞越大西洋后在西班牙降落 An airplane powered totally by the sun landed in Seville, Spain early Thursday after completing a 71-hour flight across the Atlantic Ocean.

发表于:2019-02-12 / 阅读(97) / 评论(0)

2016年VOA慢速英语(七)月

美国枪击案：今年第355起

Americans were exposed to the terror of mass gun violence again on Wednesday, this time at a social services center in San Bernardino, California. The initial reports revealed a distressingly familiar pattern: A heavily armed active shooter or shoote

发表于:2019-02-18 / 阅读(111) / 评论(0)

阅读空间

学个词Learn a Word 第328期 Launch

发表于:2019-02-26 / 阅读(131) / 评论(0)

英语单词荟萃

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学英语单词

audio output

authority vested in the people

automatic angle sensing

characteristic of photographic film