n. [物] 光致激发；[物] 光激励

NPR 2010-10-20

The Dow's off more than 200 points, more than 1.75 percent, sliding below the 11,000 mark for the first time in a week. Several factors are apparently rattling investors. China hiked its rates in an attempt to head off rising inflation. The close on

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2010年NPR美国国家公共电台10月

SSS 2008-07-22

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Not too long ago, scientists had to hoof it to the library to review the literature. And they had to flip through a card catalog to find that dusty old v

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Scientific American(七)月

SSS 2012-02-20

This is Scientific American 60 second Science, I'm Steve Mirsky, got a minute? In science, citations are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times

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Scientific American(二)月

英语语法：210 Chicago Style

Grammar Girl here. Today's topics are style guides and how to deal with book titles. Joe called in with this question: With all of the style guides that are out there -- APA, MLA -- why would anyone use Chicago? I was finding it very hard to believe

发表于:2019-01-02 / 阅读(148) / 评论(0)

英语语法 Grammar Girl

英语语法：116 The Asterisk

Grammar Girl here. Today's topic is the asterisk. Why? Because Barry Bonds just broke the record for number of home runs in one season* and people are talking about putting an asterisk next to his name in the record book because of the steroid contro

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英语语法 Grammar Girl

英语语法：6 Citing Podcasts and Websites

Grammar Girl here. Today's topic is how to deal with electronic citations. Listener Question Now to get started, here's a listener question: Hi, Grammar Girl. My name is Laura and I am a teacher of 9th-grade English and a big fan of your podcast. I'v

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英语语法 Grammar Girl

英语语法：5 Chicago Style

发表于:2019-01-02 / 阅读(133) / 评论(0)

英语语法 Grammar Girl

GRE填空的介词搭配技巧浅析

为实现自己的留学之梦，无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(276) / 评论(0)

GRE英语

SSS 2008-03-12

This is Scientific Americans 60-Second Science. Im Steve Mursky. Got a minute? Cameras that catch drivers who blow through red lights are there to improve safety by discouraging light-running. But such cameras actually increase the likelihood of car

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Scientific American(三)月

SSS 2012-02-17

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Scientific American(二)月

老友记第二季 14 The One with the Prom Video

The One With The Prom Video 本集简介： Joey, now earning money, gives Chandler an expensive (and gaudy) gold bracelet. Joey is hurt when he finds out Chandler doesn't like it. Monica has a job interview with a restaurant manager who has a salad f

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老友记(六人行)

如何应对没有提示的GRE填空题

在某些词组性质的习语中，所出现的介词在搭配上是固定的，如be consistent with, respond to , show insight into等。当某一空格后紧随一介词时，应尽快判断出在所代入的词汇中，何者与该介词搭配是合

发表于:2019-02-05 / 阅读(124) / 评论(0)

GRE英语

泰晤士世界大学榜出炉中国内地52所高校上榜

A total of 52 universities from Chinese mainland are included in the 13th edition of World University Rankings released by the Times Higher Education last Wednesday, with Peking University and Tsinghua University ranking 29th and 35th respectively. 泰

发表于:2019-02-06 / 阅读(160) / 评论(0)

英语新闻

Photo of my wife　我老婆的照片

Photo of my wife 我老婆的照片 A businessman enters a tavern, sits down at the bar, and orders a double martini on the rocks. After he finishes the drink, he peeks inside his shirt pocket, and then orders the bartender to prepare another double

发表于:2019-02-08 / 阅读(185) / 评论(0)

趣味英语

人工智能是一种“全新生产要素”

Talk to a bunch of economists and they will doubtless tell you that poor productivity growth is the scourge of our age. 与一些经济学家交谈，他们几乎肯定会告诉你，疲弱的生产率增长是我们这个时代的灾难。 Lounge in

发表于:2019-02-08 / 阅读(111) / 评论(0)

英语新闻

英语博客：Designing a special photo for the app.

I love to use my laptop, to play around with different programs, to surf the web, and to edit photos. Today I have been doing that for hours. Now that my app has come out in iTunes, I have been trying to design a really good photo for it. The existin

发表于:2019-02-17 / 阅读(131) / 评论(0)

英语博客 A cup of English

GRE考试填空介词搭配技巧

例 Ⅰ： In 1921 Antioch College adopted a policy requiring students to____beyond their stacks of books and contribute their talents to the working world in order to earn their bachelor's degree. (A) rise (B) venture (C) probe (D) excel (E) strut 〖

发表于:2019-02-17 / 阅读(109) / 评论(0)

GRE英语

QS发布2016亚洲大学排行榜中国124所高校入围!

A record number of Chinese universities feature in the QS University Rankings: Asia 2016 - a ranking of the 350 top universities in Asia by Quacquarelli Symonds(QS), a higher education research firm. 高等教育研究公司Quacquarelli Symonds(QS)近日

发表于:2019-02-18 / 阅读(78) / 评论(0)

英语新闻

2015世界大学排名TOP20：亚洲仅2所上榜

The Center for World University Rankings (CWUR) publishes the only global university ranking that measures the quality of education and training of students as well as the prestige of the faculty members and the quality of their research without rely

发表于:2019-02-18 / 阅读(121) / 评论(0)

阅读空间

学个词Learn a Word 第713期 photo op.

今天我们要学的词是photo op. Photo op是photo opportunity的简称，意思是为做宣传而专门安排的媒体拍照机会。The meeting between the two Presidents was followed by a photo op, 两位总统会面后接受媒体拍照。一架

发表于:2019-02-19 / 阅读(138) / 评论(0)

英语单词荟萃

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学英语单词

achyranthine

activity relating to civil law

adjacent bit dependent code