音标：[pen'sti:mәn, 'pensti-] ；

n. [植]钓钟柳, 元参属植物

n. large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America

词型变化：名词复数形式 : penstemons

词性分布：

名词100%

Study: One Third of STEM Students in US Change Majors

Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary

发表于:2018-12-12 / 阅读(60) / 评论(0)

2018年VOA慢速英语(一)月

新目标初中英语七年级上--Unit 2 Is this your penci

UNIT 5 What color is it? [00:05.69]Section A Activity 1b. [00:11.55]Listen to the conversations [00:15.78]and then match the letters with their colors. [00:20.92]Conversation 1 [00:24.48]A:What's this,Wendy? [00:27.82]B:It's a letter W. [00:31.58]A:W

发表于:2018-12-13 / 阅读(235) / 评论(0)

新目标初中英语七年级

英语课程计划-Pen Pal Day

June the 1st is Pen Pal Day. Im sure most of us have had a pen pal at one time in our lives. Many of us still have one. Today is the day to say thank you to your pen pals. It is also the day to thank your key pals too. Nowadays, most people communica

发表于:2018-12-29 / 阅读(120) / 评论(0)

英语课程学习计划和讲义

卢旺达加强对女童的STEM教育

Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c

发表于:2019-01-02 / 阅读(104) / 评论(0)

2017年VOA慢速英语(十二)月

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(88) / 评论(0)

科技之光

嘟嘟少儿英语4级DVD6单元真人秀pen friends

Sorry,there is no text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

发表于:2019-01-10 / 阅读(167) / 评论(0)

英国原版Beep嘟嘟剑桥少儿英语

Stem Cells From Cord Blood May Offer Way to Treat Sick Child

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell

发表于:2019-01-12 / 阅读(122) / 评论(0)

2011年VOA慢速英语(二)月

Nasal Stem Cells Help to Cure Infant Hearing Loss

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(113) / 评论(0)

世界各地新闻集锦

听一分钟英文：Stem Cell Research-干细胞研究

Im all for stem cell research. I know it is a huge issue at the moment. Lots of people dont like it. They say it is unethical and that it is playing God. Other people say we will create Frankensteins monster. Britain seems to be leading the world in

发表于:2019-01-24 / 阅读(77) / 评论(0)

听一分钟英文-S

VOA常速英语2008年-Adult Stem Cells Show Medical Promise

By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds

发表于:2019-01-25 / 阅读(252) / 评论(0)

VOA常速英语2008年（二月）

粉红猪小妹第二季MP3 21 Pen Pal

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10

发表于:2019-01-27 / 阅读(162) / 评论(0)

粉红猪小妹第二季

牛津少儿英语 let's chant 42 - Pencils and a Pen (group) - 26 s.

图片1

发表于:2019-01-28 / 阅读(98) / 评论(0)

Let's chant Let's sing

牛津少儿英语 let's chant 41 - Pencils and a Pen (solo) - 27 s.

图片1

发表于:2019-01-28 / 阅读(109) / 评论(0)

Let's chant Let's sing

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(132) / 评论(0)

60秒科学

Stem Cells in Fat

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(136) / 评论(0)

科技之光

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(228) / 评论(0)

英语新闻

VOA常速英语2007年-Stem Cell Research Dominates 2007 Medical Field

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(118) / 评论(0)

VOA常速英语2007年（十二月）

Japan Moves to Stem Rising Yen

Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many

发表于:2019-02-18 / 阅读(98) / 评论(0)

英语新闻

U.S. researchers discover human lung stem cell

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(161) / 评论(0)

英语新闻

学个词Learn a Word 第1520 - stem from

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表

发表于:2019-02-18 / 阅读(110) / 评论(0)

英语单词荟萃

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

autocollimation camera