帕累托效率；柏瑞图效率

SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(119) / 评论(0)

Scientific American(十二)月

流利美国口语2.5

W: Ive been looking for an efficiency apartment. M: How many rooms do you have in mind? W: I want a 3 bedroom apartment. M: Oh, I know there is one for rent out in the suburbs. Dialogue 2. W: Do you have any apartments for rent right now? M: We still

发表于:2018-12-02 / 阅读(62) / 评论(0)

流利美国口语

快捷之路交际英语2 chapter 14

[00:15.60]Is Parking Permitted Here? [00:18.87]这里允许停车吗？ [00:22.15]A. Is Parking permitted here? [00:25.04]这里允许停车吗？ [00:27.92]B. Yes, it is.Thanks. [00:29.95]是的，允许。谢谢。 [00:31.97]A. Are people allowed t

发表于:2018-12-03 / 阅读(125) / 评论(0)

快捷之路交际英语2

Vitamin D

Broadcast: Feb 5, 2003 By Jerilyn Watson This is the VOA Special English Health Report. For many years, scientists have known that people need Vitamin D. The body needs the vitamin to have normal leve

发表于:2018-12-07 / 阅读(79) / 评论(0)

VOA2003（上）-健康资讯

睡眠好记忆好

Studying for a big exam at school or a presentation at work, but don't forget to get a good night's sleep. Brain scientists report more evidence this week that sleep can improve your memory. Researche

发表于:2018-12-11 / 阅读(62) / 评论(0)

万花筒2006年

VOA慢速英语 2008 0523a

Economics Report - Joseph Juran, 1904-2008: A Life of Quality Control 22 May 2008 This is the VOA Special English Economics Report. Recently the business world lost a leader in quality control. Joseph Juran died at the age of one hundred and three.

发表于:2018-12-15 / 阅读(43) / 评论(0)

VOA慢速英语2008年（五）月

英语口语每天说093

93. Time 1. Its time to go to bed. 2. My watch says 4:45. 3. My watch goes a bit slow. 4. My watch has stopped. 5. It gains a little. 6. It loses about 2 minutes. 7. Ive just set my watch by the radio time signal. 8. My clock has run down, it needs

发表于:2018-12-24 / 阅读(45) / 评论(0)

英语口语每天说

趣味青春英语第149期:On hold

Idiom: On hold 暂时不做，搁置一段时间 Hit the book: Remote Grid Incentive Apart from Drawback Efficiency Equator Tilt

发表于:2018-12-27 / 阅读(124) / 评论(0)

趣味青春英语

大学英语四级词汇 025

eat v.吃 echo n./v.回声，回响；共鸣 economic a.经济学的，经济(上)的 economical a.节省的；经济学的 economy n.经济；节约 edge n.边，边缘；刀口，刃 edit vt.编辑 edition n.版，版本 editor n.编者，编辑 ed

发表于:2018-12-30 / 阅读(103) / 评论(0)

大学英语四级词汇拼读版

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坚持不懈，直到成功。我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(130) / 评论(0)

四六级词汇与结构练习

64.It's a Puzzlement

The fine-furniture store where I work has been in business since the 1920s.Recently I received a call from a woman who wanted to replace some chairs from a dining set purchased from us in the 1930s.I

发表于:2019-01-03 / 阅读(74) / 评论(0)

英汉幽默故事选读

SSS 2011-08-17

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

发表于:2019-01-08 / 阅读(109) / 评论(0)

Scientific American(八)月

VOA慢速英语 Agriculture Report - Improving 'Feed Efficiency' in Cattle

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

发表于:2019-01-12 / 阅读(93) / 评论(0)

2012年VOA慢速英语(十一)月

TED演讲:我们为什么要排气(3)

At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时，产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷， which can reduce the total volume of gas by u

发表于:2019-01-17 / 阅读(82) / 评论(0)

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TED演讲：每天一秒钟(4)

I was on a three-month road trip this summer. 今年夏天我度了三个月的假。 It was something that I've been dreaming about doing my whole life, 这是我一生梦寐以求的东西， just driving around the U.S. and Canada and just figurin

发表于:2019-01-18 / 阅读(65) / 评论(0)

TED演讲教育篇

商务英语－Pareto's Principle - The 80-20 Rule

Pareto's Principle - The 80-20 Rule How the 80/20 rule can help you be more effective. In 1906, Italian economist Vilfredo Pareto created a mathematical formula to describe the unequal distribution of

发表于:2019-01-21 / 阅读(110) / 评论(0)

实用英语

VOA常速英语2007年-Fuel Efficiency, Gadgets Mark Los Angeles Auto

By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr

发表于:2019-02-06 / 阅读(109) / 评论(0)

VOA常速英语2007年（十一月）

雅思口语：What part of your study do you enjoy most?

今天我们还是继续巩固雅思口语part1的部分。在刷口语题库的时候，同学们可能会遇到这样一道题目。题目：What part do you enjoy most in your study? 翻译成中文就是：你最喜欢你学习中的哪一个部分

发表于:2019-02-09 / 阅读(97) / 评论(0)

雅思英语

托福满分作文范文：关于工作时间

Some people prefer to get up early in the morning to start the day's work; while other people like to get up later in the day to work until late at night. Which option do you prefer? I would choose to get up early in the morning. This view is based o

发表于:2019-02-19 / 阅读(39) / 评论(0)

托福英语

经济学人243:节能以人为本 Back to basics

Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上，也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc

发表于:2019-02-24 / 阅读(114) / 评论(0)

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