啤酒酵母

UNIT 2 Plant a Plant! Lesson 9: How Does a Plant Grow?

[ti:UNIT 2 Plant a Plant! Lesson 9: How Does a Plant Grow?] [0:00.532]UNIT 2 第二单元 [0:01.935]Lessons 9～16 第9~16课 [0:04.780]Plant a Plant! 培育植物！ [0:06.829]You Will Learn 你将学到 [0:09.105]Functions 实际应用 [0:10.888]Ta

发表于:2018-12-13 / 阅读(152) / 评论(0)

河北教育初中英语（初中起点）八年级下册

美国国家公共电台 NPR Scientists Closer To Creating A Fully Synthetic Yeast Genome

AUDIE CORNISH, HOST: Scientists have taken a big step towards making synthetic life. In other words, they figured out how to create a living thing with DNA that was written in a lab. NPR health correspondent Rob Stein has the details. ROB STEIN, BYLI

发表于:2019-01-16 / 阅读(74) / 评论(0)

2017年NPR美国国家公共电台3月

2017年CRI Scientists build DNA from scratch to alter life's blueprint

Scientists build DNA from scratch to alter life's blueprint Yeast is a tiny ingredient of everyday life. A baker carefully adds yeast to his dough before kneading and shaping it into the perfect sized loaf. Without the yeast, the bread wouldn't rise

发表于:2019-01-19 / 阅读(56) / 评论(0)

2017CRI中国国际广播电台

2007年VOA标准英语-American Farmers Benefit from New Emphasis on E

By Greg Flakus Chancellor, South Dakota 21 June 2007 In an effort to lessen America's dependence on foreign oil imports and reduce pollution from vehicles burning gasoline, the U.S. government last year mandated that gasoline include a mixture of ten

发表于:2019-01-27 / 阅读(90) / 评论(0)

2007年VOA标准英语（六月）

VOA慢速英语20060419b

HEALTH REPORT - Increasing Supplies of Malaria Drug Through Genetic EngineeringBy Cynthia Kirk Broadcast: Wednesday, April 19, 2006 I'm Shep O'Neal with the VOA Special English Health Report. Malaria

发表于:2019-01-30 / 阅读(42) / 评论(0)

2006年慢速英语（四）月

英国学生科学读本第21期:一棵麦穗

Lesson22 An ear of wheat 第22课一棵麦穗 I am sure that you have all had some bread to eat today. How many of you know what bread is made of? The baker makes it of flour mixed with water, and some yeast, and a little salt. These things mixed to

发表于:2019-02-13 / 阅读(43) / 评论(0)

英国学生科学读本

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

abnormal exit

ad for inviting enterprice