[电] 基本压电晶体单元

60秒科学:用身体动作来充电电池植入的医疗设备

最新研制一种新的医疗设备，可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr

发表于:2018-12-07 / 阅读(215) / 评论(0)

60秒科学

新概念英语第二册Lesson 80 The Crystal Palace

Lesson 80 The Crystal Palace 水晶宫 First listen and then answer the question. 听录音，然后回答以下问题。 How many people visited the Great Exhibition of 1851? Perhaps the most extraor

发表于:2018-12-08 / 阅读(391) / 评论(0)

新概念英语第二册

爱你千遍

A thousand times My son is growing up and it scares me. Terrifies me, actually. Girls, driving, alcohol, drugs, how can I protect him from all of these things? When he was little, I was one of those r

发表于:2018-12-18 / 阅读(140) / 评论(0)

有声杂志阅读

托福口语评分标准哪一个点最重要

托福口语，作为托福考试中提分难度较大的一门，令很多同学头痛不已。今天新东方网留学频道特为大家分享孟炎老师解答的托福口语问题系列。为同学们的托福口语考试指明方向! 评分标准哪

发表于:2018-12-19 / 阅读(133) / 评论(0)

托福英语

托福口语评分标准哪一个点最重要?

发表于:2018-12-19 / 阅读(187) / 评论(0)

新托福写作真题解析

Crystal Palace 水晶宫

The script of this programme 本节目台词 The Crystal Palace was a building made almost entirely of glass John: Hi there! Welcome to On The Town from a very interesting part of south London. I'm John, with me Oliver. We're at Crystal Palace. Oliver:

发表于:2018-12-19 / 阅读(262) / 评论(0)

都市掠影

SSS 2010-09-24

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

发表于:2018-12-24 / 阅读(165) / 评论(0)

Scientific American(九)月

可以录音和发声的衣服(有声)

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(154) / 评论(0)

60秒科学

NPR 2010-05-11

President Obama's latest nominee to the US Supreme Court, Elena Kagan, says she's grateful for what she called the honor of a lifetime. Mr. Obama says he chose Kagan in part because she understands that law is not an intellectual exercise, a thought

发表于:2019-01-08 / 阅读(198) / 评论(0)

2010年NPR美国国家公共电台5月

TED演讲 :信任乐队(2）

I have to trust the orchestra, 必须信任乐队， and, even more crucially, I have to trust myself. 更关键的我必须信任自己。 Think about it: when you're in a position of not trusting, 试想一下：如果你处在没有信任的状况下

发表于:2019-01-18 / 阅读(180) / 评论(0)

TED演讲娱乐篇

财富精英励志演讲107:艰难的抉择(8)

Now one of things that I believe is that change not only requires an understanding of human nature, change also requires clear-eyed realism, change requires a deep understanding of what is wrong, so that means, for example, understanding all of issue

发表于:2019-01-18 / 阅读(178) / 评论(0)

财富精英励志演讲

雅思口语7+需要做的是这个！

网友：老师好!过两天考试了，好紧张!老师，您认为6和7真的差距很大吗?怎样才能拿到7呢?万一真的不幸遇到一位印度考官而我基本上同不懂他的口音，怎么办呢?老师帮我提前支支招好吗?谢谢

发表于:2019-01-18 / 阅读(187) / 评论(0)

雅思英语

【英音模仿秀】惨绿少年时光

模仿文本：Welcome to Four Thought. Glass is all around us. Now here, of course, this is the BBC, we're in a dark basement underneath Somerset House. Perhaps because glass is transparent, because sometimes it appears as if it's not there at all.

发表于:2019-01-24 / 阅读(215) / 评论(0)

英音模仿秀

经济学人96:宇宙大爆炸 Fundamental physics:Big bang

Books and Arts; Book Review; Fundamental physics; Big bang; 文艺；书评；基础物理学；宇宙大爆炸； Popular physics has enjoyed a new-found regard. Now comes a brave attempt to inject mathematics into an otherwise fashionable subject 科

发表于:2019-01-27 / 阅读(227) / 评论(0)

经济学人文艺系列

探讨全球人口增长

1. According to the speaker, which type of the country in the following has the fastest growing rate of population? 根据演讲者所说，哪一类国家的人口增长速度是最快的？ 2. Under what circumstances would bring the lower or middl

发表于:2019-02-05 / 阅读(182) / 评论(0)

英语万花筒

TED演讲:我们能够避免老化(3)

The geriatrician will intervene late in the day, 老年医学医生会在一个人老化过程的后段， when pathology is becoming evident, 病理越来越明显的时候， and the geriatrician will try and hold back the sands of time, 做治疗来

发表于:2019-02-14 / 阅读(165) / 评论(0)

TED演讲科学篇

PBS高端访谈:同性夫妻也有平等的结婚权

HARI SREENIVASAN: Today's decision on marriage sent waves of reaction across the country, beginning with a large crowd gathered on the Supreme Court steps. Political director Lisa Desjardins takes us there. LISA DESJARDINS: This is the decision from

发表于:2019-02-17 / 阅读(159) / 评论(0)

PBS访谈社会系列

PBS高端访谈:最高法院正考虑将同性婚姻普遍至全美

JUDY WOODRUFF: It was a historic day at the Supreme Court, at stake, the definition of marriage. Justices split the issue into two questions: Must every state permit same-sex marriage? And, if not, do states have to recognize same-sex marriages perfo

发表于:2019-02-17 / 阅读(162) / 评论(0)

PBS访谈社会系列

环球英语 — 181：Crystal Meth: A Drug Problem

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re

发表于:2019-02-21 / 阅读(178) / 评论(0)

环球英语 Spotlight

赖世雄进阶英语词汇3500 Unit107

cooperative a.合作的 Though she didn't like the activity, she did her best to be cooperative. 虽然她不喜欢这项活动，但她还是尽力去作配合。 overcome vt.克服 I could not overcome the difficulty of learning French, so I change

发表于:2019-03-17 / 阅读(412) / 评论(0)

赖世雄进阶英语词汇3500

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a hay

absolute potential

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air conditioned storage