正定序列

新英语900句之基础篇 Lesson15:CERTAINTY AND UNCERTAINTY肯定和不肯定

21To be honest, Im not certain. 老实说，我不能肯定。 212. Maybe. 也许吧。 213. I couldnt say for sure. 我不能肯定。 214. I couldnt say for definite. 我没有百分之百的把握。 215. I couldnt say absolutely. 我不能说是绝对的。 216. Im positive that he di

发表于:2018-11-30 / 阅读(217) / 评论(0)

新英语900句之生活篇

SSS 2008-12-31

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(244) / 评论(0)

Scientific American(十二)月

数学英语 25 What is the Fibonacci Sequence

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(248) / 评论(0)

数学英语

专业术语—基因专业词汇R/S

发表于:2018-12-12 / 阅读(175) / 评论(0)

医务英语

英语俚语天天说第10期:老美口头禅之“kinda”

Kinda is used by people that are afraid to commit to a simple yes or no answer. If you can't say a definite yes, then you are in fact saying no. it can be used in relationships.

发表于:2018-12-18 / 阅读(244) / 评论(0)

英语音标发音视频

there be结构易错题

There be结构在初中就已经是学习的重点和难点。高中阶段仍然有很多同学在这一结构的使用上频频出错。大家先看一看以下的2个句子，确定一下是否正确。 1、 There will have a class meeting tomorrow

发表于:2018-12-18 / 阅读(188) / 评论(0)

英文语法词汇

SSS 2011-10-21

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(303) / 评论(0)

Scientific American(十)月

2014年ESL之商务英语 18 Describing Order and Sequence

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(240) / 评论(0)

2014年ESL之商务英语

数学英语 22 What Are Sequences in Math?

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(278) / 评论(0)

数学英语

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(333) / 评论(0)

数学英语

音乐咖啡厅:Bosson - Definite Goodbye

音乐咖啡厅:Bosson - Definite Goodbye 相关介绍：Bosson是瑞典流行天王，他的歌迷遍及世界各地，尤其在俄罗斯，乌克兰等东欧地区更是人气火到一塌糊涂。那首地球人都广为皆知的One In A Million将

发表于:2019-01-07 / 阅读(236) / 评论(0)

音乐咖啡厅

SSS 2008-08-07

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(276) / 评论(0)

Scientific American(八)月

SSS 2008-05-13

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(261) / 评论(0)

Scientific American(五)月

Using the Right Article

Using the Right Article What word appears most often in English? It's the, also known as the definite article. Its partner, the indefinite article a, is also among the top 10 most frequent words in English. According to Professor Elka Todeva of the S

发表于:2019-01-12 / 阅读(188) / 评论(0)

2016年VOA慢速英语(三)月

神秘的古埃及金字塔

古埃及金字塔是奴隶制帝王的陵墓，最宏大的当为吉萨三座大金字塔。塔基呈方形，每边长230米，高146米，用230余万块巨石(每块平均重达2.5吨)垒成，国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(208) / 评论(0)

阅读空间

Human fertilization process discovered

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(273) / 评论(0)

英语新闻

Lesson 9-2:Dates 日期

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(198) / 评论(0)

英语听力练习题

Lesson 55-1 In the Library 在图书馆

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(178) / 评论(0)

英语听力练习题

瑞士天王费德勒:我还没有退役的打算!

The hosts UAE Royals, led by Roger Federer, have suffered a surprising 24-26 defeat to the Philippine Mavericks on the first day of the Dubai leg of the International Premier Tennis League. 在2015年国际网球超级联赛阿联酋迪拜站的第一个

发表于:2019-02-18 / 阅读(155) / 评论(0)

英语新闻

《柯南脱口秀》第60期:美国梦

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来法里德很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景我觉得我很了解你

发表于:2019-02-23 / 阅读(260) / 评论(0)

柯南脱口秀

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

anomala expansa expansa

be in the first flush of

bistable switch