标签：Stem Cell 相关文章

用mp3背四级单词59

stain -沾污,染污 stake -木桩,股份,赌注 stale -不新鲜的,过时的 standpoint-立场,观点 starve -(使)挨饿,(使)饿死 statement -声明,陈述 static -静态的,静止的 statistic-统计数值,统计学 statue -塑像,雕塑 status -地位,身份 steady -稳定的,稳重的 steak-牛排,肉

发表于:2018-11-29 / 阅读(153) / 评论(0) 分类 用mp3背四级单词

VOA慢速英语2012 Technology Report - Growing Girls Who Code

Technology Report - Growing Girls Who Code 科技报道 - 编程女生组织推动更多女生进入科技领域 From VOA Learning English, this is the Technology Report in Special English. 这里是美国之音慢速英语科技报道。 American co

发表于:2018-12-07 / 阅读(65) / 评论(0) 分类 2012年VOA慢速英语(十)月

英语口语大赢家Topic150:买手机 Purchasing a Cell phone

无奈之下，雪莉还是来到了一家手机店，各种品牌的手机真不少，服务员的服务态度也还不错，又送挂饰又包装的，看来店铺还是有存在的理由。 Listen Read Learn Salesperson: What can I do for you, Ma'am? Shirley: I want to buy a cell phone for my daughter. Salesp

发表于:2018-12-26 / 阅读(63) / 评论(0) 分类 英语口语大赢家

美国学生世界地理教材 第61期:近在咫尺 远在天涯(1)

Chapter 19 So Near and Yet so Far 第19章 近在咫尺，远在天涯 N-A-M-E-R-I-C-A and S-A-M-E-R-I-C-A are two names printed in large letters across my map of North America and South America. 我有一张北美洲和南美洲的地图，从地图的

发表于:2018-12-29 / 阅读(135) / 评论(0) 分类 美国学生世界地理教材

100个儿童英语小故事: The Flax 亚麻

052 The Flax A long time ago, there was a flower called 'Flax'. I am so happy. No one is happier than me in the world. A leaf of grass said to the Flax. You don't know anything about the world. Do you know how painful it is to live here? That's not t

发表于:2018-12-31 / 阅读(187) / 评论(0) 分类 100个儿童英语小故事

在受到批评后250年可能重回AP世界史课程

250 Years Might Return to AP World History Course After Criticism The College Board has answered criticism about proposed changes to the Advanced Placement World History exam. Educators and others had objected to its plans to make the exam cover hist

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 2018年VOA慢速英语(七)月

TED演讲:医学的未来?也许是手机上的一个应用程序(4)

Now if you have trouble maintaining your diet, 如果你不能保持节食， it might help to have some extra imagery to remind you how many calories are going to be coming at you. 一些图像也许会有助于提醒你食物里有多少热量。 H

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 TED演讲科学篇

SSS 2011-08-19

Some graduate students in science, technology, engineering and mathor STEMonly do research, under the guidance of a mentor. Other STEM grad students also have teaching responsibilities, for example, instructing undergrads or local high schoolers. Now

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 Scientific American(八)月

VOA慢速英语--阿富汗、越南学生在美国学校茁壮成长

AS IT IS 2016-06-17 Afghan, Vietnamese Students Thrive in US Schools 阿富汗、越南学生在美国学校茁壮成长 Children whose parents are immigrants to the United States live between two worlds -- the U.S. and their parents homeland. It is

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2016年VOA慢速英语(六)月

VOA慢速英语2015 如何培训出更多的女工程师

How Do You Develop More Female Engineers? 如何培训出更多的女工程师 Not enough American students want to be engineers, mathematicians, or scientists. The Obama administration wants to change that. They are spending money to do it. The gove

发表于:2019-01-12 / 阅读(57) / 评论(0) 分类 2015年VOA慢速英语(一)月

英国学生科学读本 第65期:洋葱(2)

An onion can be easily pulled to pieces, for its bulb is made of a great many thick juicy leaves, all growing closely together. 我们可以轻而易举地将洋葱剥开, 分成很多片, 因为它的球茎由许多厚厚的多汁叶片构成, 彼此之

发表于:2019-01-17 / 阅读(55) / 评论(0) 分类 英国学生科学读本

英国学生科学读本 第68期:风信子(1)

Lesson 68 The Hyacinth 第68课 风信子 The wild hyacinth is one of the most beautiful of the flowers of spring-time, and it is also one of the most abundant . In April, May, and June, we may find its flowers in many parts of the woods in such numb

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 英国学生科学读本

经济学人22:高龄母亲的福音 45岁也能生娃

Science and Technolgy. 科技。 reproduction. 人类繁衍。 Life begins at 45. 45岁也能生娃。 Hope for older mothers. 高龄母亲的福音。 WHEN it comes to reproduction, men have it easy. Almost to the end of their lives most have an amp

发表于:2019-01-26 / 阅读(70) / 评论(0) 分类 经济学人科技系列

新西兰英语 34 Cell Phones

Do you think talking on a cell phone while driving is dangerous? What about texting or reading text messages while driving? It is amazing that some people do that but its true. Last year, a driver who was texting killed two teenage sisters and this y

发表于:2019-01-27 / 阅读(65) / 评论(0) 分类 新西兰英语

陨落星辰第一季 第65期:安杀死外星人

Without making any noise? Yeah. 悄无声息地杀掉它们吗? 是的 Do you think it's gonna be sleeping in some soundproof chamber with its head in a guillotine? 你觉得它会睡在隔音罩里，把自己的脑袋架在断头台上吗 Probably

发表于:2019-01-29 / 阅读(98) / 评论(0) 分类 陨落星辰第一季

Legal methods urged to stem private debt crisis

BEIJING, Feb. 20 (Xinhua) -- A Monday report has urged for the increased use of legal methods to regulate private loans following a number of incidents in which the leaders of large companies were unable to pay back informal high-interest loans, forc

发表于:2019-01-30 / 阅读(199) / 评论(0) 分类 英语新闻

英国学生科学读本 第40期:甘蔗(1)

Lesson 40 The Sugar-Cane 第40课 甘蔗 Have you a sweet tooth? Do you like things with sugar in them? If you do (and I am almost sure that you do),you will like this lesson, for it will tell you where sugar comes from, and all about it. 小朋友，你

发表于:2019-02-07 / 阅读(73) / 评论(0) 分类 英国学生科学读本

美国语文第五册 第188期:威廉-泰尔(13)

With constancy so modest. 他一直那么谦卑。 I was sure he would. 是的，我相信。 And looks with such relying love And reverence upon you. 看起来，对你那么依恋，那么景仰崇敬你。 Man! Man! Man! No more! Already I'm too m

发表于:2019-02-13 / 阅读(52) / 评论(0) 分类 美国语文第五册

英语笑话听力+文本：Turn Off Your Cell Phone 关掉你的手机

We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and started walking her way out. Excuse me, sorry, oop

发表于:2019-02-15 / 阅读(54) / 评论(0) 分类 英语笑话（MP3+文本）

环球英语 — 195：Sickle Cell Anemia

Voice 1 Thank you for joining us for todays Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 When you lo

发表于:2019-02-21 / 阅读(99) / 评论(0) 分类 环球英语 Spotlight
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