横列组织

Day-Old Mice Grow Back New Heart Tissue After Injury

When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig

发表于:2018-12-16 / 阅读(490) / 评论(0)

VOA标准英语2011年(三月)

【轻松英文阅读】大脑训练

This post is a little different from my usual ones, but I thought you might enjoy these puzzles as much as I did. Before you begin you may want to go over the vocabulary in the list below. Also, please try these without writing anything down or looki

发表于:2018-12-28 / 阅读(103) / 评论(0)

轻松英文阅读

【小龟乐游记】蝙蝠侠：阿甘之城（20）

文本： Mr.Freeze:Please,find Nora.She is all I have left.It's over.That was all I could _(1)_. Batman:Harley Quinn took it. Mr.Freeze:Then what are you waiting for? Go and get it back.The clown must pay for what he has done to us. Batman:___(2)___

发表于:2018-12-28 / 阅读(89) / 评论(0)

小龟乐游记英语短文

奥运28大项第44课 BACKSTROKE仰泳

北京奥运28大项参与，竞争，分享，进步 Swimming 游泳 BACKSTROKE 仰泳 Prior to the starting signal, the swimmers shall line up in the water facing the starting end, with both hands holding the starting grips. Standing in or on the gutter or bending th

发表于:2018-12-30 / 阅读(292) / 评论(0)

奥运28大项比赛

奥运28大项第45课 BREASTSTROKE 蛙泳

北京奥运28大项参与，竞争，分享，进步 Swimming 游泳 BREASTSTROKE 蛙泳 From the beginning of the first arm stroke after the start and after each turn, the body shall be kept on the breast. It is not permitted to roll onto the back at any time. Throug

发表于:2018-12-30 / 阅读(283) / 评论(0)

奥运28大项比赛

投资分析机构财经词典-H

H English Terms 中文翻译详情解释/例子 HSI 恒生指数包含香港股票市场主要股票的指数 H-Shares H股在香港股票市场上市的中国公司股票 Haircut 估值折扣指做

发表于:2019-01-03 / 阅读(118) / 评论(0)

财会英语

VOA标准英语2010年-Blood Vessel Disease Linked to Dementi

Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood

发表于:2019-01-14 / 阅读(169) / 评论(0)

VOA标准英语2010年(十一)月

TED演讲:大爱无疆爱本无条件(4)

There are these other identities which you have to learn from a peer group. 还有一些身份认同是你从同龄人群中获得的。 And I call them horizontal identities, 我称它们为水平身份认同， because the peer group is the horizon

发表于:2019-01-18 / 阅读(95) / 评论(0)

TED演讲国际问题篇

雅思词汇：奥运会相关

里约奥运将近，准备程度就不评论了....但为了雅思考试，雅思频道还是为大家整理了下奥运会相关词汇，供同学们复习雅思使用，尤其口语考试。以下是详细内容。 Individual Sports 体育项目 g

发表于:2019-01-18 / 阅读(166) / 评论(0)

雅思英语

【电影预告片填空】尴尬时刻

So, it's Ellie. What the fuck? Are you serious? This is a den of testosterone. You can't invite a girl to a place like this! Well, ________1__________. She's not gonna talk about xbox, and I'm gonna be sitting here being like Oh, I have to fart but m

发表于:2019-01-23 / 阅读(119) / 评论(0)

英文电影预告片填空

每日一词【1154】transaction：交易

今天我们要学的词是transaction。 Transaction, 交易。 The value and number of transactions in media industry mergers and acquisitions soared in 2010, 2010年传媒产业合并和收购交易的数量和交易总额都大幅攀升。 Facebo

发表于:2019-01-25 / 阅读(136) / 评论(0)

英语每日一词

万物简史第146期:基本物质(18)

Mendeleyev used a slightly different approach, placing his elements into groups of seven, but employed fundamentally the same principle. Suddenly the idea seemed brilliant and wondrously perceptive. Because the properties repeated themselves periodic

发表于:2019-01-29 / 阅读(97) / 评论(0)

万物简史

60秒科学:Beating Heart Tissue from Stem Cells

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(166) / 评论(0)

60秒科学

体育词汇—体操(Gymnastics)中英对照

发表于:2019-02-01 / 阅读(91) / 评论(0)

奥运英语

China wins men's team title in gymnastics worlds

TOKYO, Oct. 12 (Xinhua) -- China won the men's team gold medal of the gymnastics world championships for the fifth time in a row Wednesday, holding off host Japan and the United States, which took the second and third place. China, the 2008 Beijing O

发表于:2019-02-07 / 阅读(147) / 评论(0)

英语新闻

英语词汇学习：如何用英文表达汉字(图)

汉字是由笔画构成的。笔画是书写工具在书写面上的运动，大概有三十种不同类型，有些是基本笔画，有些是复杂笔画。笔画对学习汉字以及书法都有重要作用。下面分别说明。注意，笔画的

发表于:2019-02-14 / 阅读(120) / 评论(0)

英文语法词汇

科学美国人60秒 SSS 蝙蝠回声定位

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(108) / 评论(0)

2018年科学美国人1月

拥抱快乐-白日梦

拥抱快乐 Daydream白日梦 Like the other visualization techniques we've talked about, this practice keeps your eye on the prize, and it's a conscious form of procrastination unless you meet that deadline, which inevitably forces your mind back o

发表于:2019-02-23 / 阅读(88) / 评论(0)

英语听力广播—Listening

第316期:命运就在我们手中

New Words： mediocreadj.普通的; 中等的; 质量中等偏下的; horizontal adj.水平的，卧式的; 地平线的; oblique adj.斜，倾斜的; clench vt.紧握，抓紧; 钉牢; take a tumble美俚恍然大悟; Our destiny is in our own hands

发表于:2019-03-02 / 阅读(190) / 评论(0)

卡卡课堂早餐英语

瞬间秒杀听力第263期:目标是地平线

I wouldn't care success or failure, for I will only struggle ahead as long as I have been destined to the distance. I wouldn't care the difficulties around, for what I can leave on the earth is only their view of my back since I have been marching to

发表于:2019-03-18 / 阅读(405) / 评论(0)

瞬间秒杀听力

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

acicular grey cast iron