Sorry,there is not 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！科学美国人60秒

发表于:2019-01-20 / 阅读(129) / 评论(0)

未知分类

美国科学60秒 SSS 2015-04-09

Telomeres are parts of chromosomes that protect the ends of the chromosomes. Theyre often likened to the aglets(绳两端的金属箍) at the end of shoelaces(鞋带). And like aglets eventually crack, telomeres tended to get shorter over time, with

发表于:2019-01-20 / 阅读(166) / 评论(0)

未知分类

美国科学60秒 SSS 2015-04-10

发表于:2019-01-20 / 阅读(130) / 评论(0)

未知分类

美国科学60秒 SSS 2015-04-13

发表于:2019-01-20 / 阅读(161) / 评论(0)

未知分类

美国科学60秒 SSS 2015-04-14

发表于:2019-01-20 / 阅读(139) / 评论(0)

未知分类

美国科学60秒 SSS 2015-04-15

Early warning systems can be the difference between life and death in earthquake-prone regions. But they are expensive. The US, Mexico and Japan have such systems. That leaves large swats of central and South America, Asia and the Caribbean unprotect

发表于:2019-01-20 / 阅读(168) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-03

发表于:2019-01-20 / 阅读(147) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-04

发表于:2019-01-20 / 阅读(148) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-05

发表于:2019-01-20 / 阅读(153) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-09

Have you ever sworn that you left your phone in the car only to find it in your pocket or on your desk or, admit it, in the fridge. Or maybe you just dreamed that you left it on the dashboard(汽车仪表盘) and the memory was so real, you had to ch

发表于:2019-01-20 / 阅读(150) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-10

Modern European languages tend to share their names with the places they're spoken. Swedish: Sweden. German: Germany. And so on. But where'd they come from before that? One theory is the Anatolian hypothesis, Anatolia referring roughly to the Asian p

发表于:2019-01-20 / 阅读(164) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-11

If you're senior citizen,music in the background maybe distracting, but for younger people, experts at Multitasking ,it's apparently no big deal.That's according to a study in the general gener telligents. Researchs are included 103 people, have betw

发表于:2019-01-20 / 阅读(153) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-13

This is the Scientific Americans 60 Seconds Science. I'm Steve Mursky, got a minute? On tonight, a new episode of the hit series comedy The Big Bang Theory a mock copy of the Scientific Magazine becomes a big plot point, which makes today a good time

发表于:2019-01-20 / 阅读(217) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-16

The Apple Watch grabbed most of the headlines when it launched on March 9. But for the scientific community, the companys new research kit product is probably the more interesting development. Researcher kit lets scientists more easily write apps for

发表于:2019-01-20 / 阅读(171) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-18

发表于:2019-01-20 / 阅读(149) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-19

This is Scientific American 60 seconds science, Im Andrea Alfano, got a minute? Just the sounds of the 1960 movie thriller Psycho may be enough to get your heart racing. Even when we may not be aware it, hearing music can affect our bodies as well as

发表于:2019-01-20 / 阅读(139) / 评论(0)

未知分类

美国科学60秒 SSS 2015-03-06

发表于:2019-01-20 / 阅读(156) / 评论(0)

未知分类

美国科学60秒-SSS 2015-06-09

Chimpanzees.They are much like us, genetically and atomically, and as it turns out, cocktail logically. Because we finally have solid evidence that chims drink alcohol. So say researchers who observed wild chimpanzees throw back fermented tree sap. T

发表于:2019-01-20 / 阅读(194) / 评论(0)

未知分类

美国科学60秒-SSS 2015-06-08

One an old route humans took when they first migrated from Africa into Europe seems that they might have marched the path. Not like constant grettle who consciously left bright chromes, ancient humans ate as they tracked and they are appeared to have

发表于:2019-01-20 / 阅读(155) / 评论(0)

未知分类

美国科学60秒 SSS 2015-06-04

Sorry,there is not 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:2019-01-20 / 阅读(192) / 评论(0)

未知分类

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

abderhalden's cancer serum

acquired immunodeficiency

colonization infection