脐带真结

科学美国人60秒 SSS Knot Not Easy to Knot

Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a chemist at the University of Manchester in the U

发表于:2018-12-24 / 阅读(51) / 评论(0)

2017年Scientific American(一)月

新西兰英语 674 Spinal cord injuries

Many people who have an accident and break their back, never walk again. Your spinal cord is inside your backbone. It sends messages to your brain. It is part of your nervous system which controls your movements. In New Zealand, we have about one new

发表于:2018-12-31 / 阅读(83) / 评论(0)

新西兰英语

流行美语第132课 - to tie the knot / drop-dead gorgeous

Larry和李华今天去给他们的朋友Jim买结婚礼物。Jim下个周末就要结婚。今天李华会学到两个常用语：to tie the knot和drop-dead gorgeous. LL: I can't believe Jim is goin

发表于:2019-02-01 / 阅读(56) / 评论(0)

美国之音《流行美语》

U.S. FDA approves first cord blood product

WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy. HEMACORD is indicated for use in hematopoietic stem cell transplantation pro

发表于:2019-02-03 / 阅读(109) / 评论(0)

英语新闻

VOA标准英语2008年-Researchers Say Umbilical Cord Blood Is Needed

By Robert Raffaele Washington 06 May 2008 Medical researchers say a simple decision by expectant mothers can mean the difference between life and death for thousands of people. Blood from umbilical cords has been used in life-saving transplants for p

发表于:2019-02-06 / 阅读(55) / 评论(0)

VOA标准英语2008年（五月）

环球英语 — 276：Cutting the Cord

Voice 1 Hello. Im Mike Procter Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 2 The sound of new l

发表于:2019-03-04 / 阅读(108) / 评论(0)

环球英语 Spotlight

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

-mance

2.4-d

Abū 'Awjā'

Acanthus leucostachyus

aluminum triformate

anti-tracking varnish