热带草原生物群系

许国璋英语听力第三册 Lesson 6

WORD LIST civilization equator equatorial stretch degree tropical percent desert vegetation shrub gazelle hare survive shade temperature portion rainfall plateau tree-dotted herd antelope variety zebra giraffe rhinoceros leopard hyena cradle characte

发表于:2018-11-28 / 阅读(328) / 评论(0)

许国璋英语听力第三册

美文欣赏-At Home in the Savanna

16 At Home in the Savanna My name is Dopal. Im eleven years old and I live in 1)Tanzania, in the heart of the African 2)savanna. Im a Masai. Masais are 3)nomads who travel all over with their animals, looking for 4)pasture. Our most wonderful and va

发表于:2018-11-30 / 阅读(229) / 评论(0)

美文欣赏

科学美国人60秒 SSS 'Necrobiome' Reveals a Corpse's Time of Death

Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

发表于:2018-12-02 / 阅读(165) / 评论(0)

2016年Scientific American(十二)月

TED演讲:我们如何研究生活在肠道中的微生物(6)

So we know that moving to the USA is sufficient to cause a dramatic change in your microbiome, probably not for the better. 因此我们得出结论，移居到美国生活后，会造成体内微生物群发生巨大改变，很可能不是在变好。

发表于:2018-12-05 / 阅读(98) / 评论(0)

TED演讲科学篇

TED演讲:我们如何研究生活在肠道中的微生物(2)

My lab got our first indication of this when actually we were studying non-human primates. 我的实验室在研究非人类--灵长类动物时，第一次发现了这个征兆。 We wanted to find out what happens to a monkey's microbiome when they

发表于:2018-12-05 / 阅读(139) / 评论(0)

TED演讲科学篇

精美英文欣赏:草原上的家

At Home in the Savanna My name is Dopal. Im eleven years old and I live in 1)Tanzania, in the heart of the African 2)savanna. Im a Masai. Masais are 3)nomads who travel all over with their animals, looking for 4)pasture. Our most wonderful and valuab

发表于:2019-01-02 / 阅读(121) / 评论(0)

精美英文欣赏

SSS 2010-09-02

We all know that elephants arent really scared of mice. But a new study shows that theyre really not crazy about something even smaller: ants. In fact, elephants dislike ants so much that they avoid acacia trees that harbor the tiny, six-legged necta

发表于:2019-01-08 / 阅读(145) / 评论(0)

Scientific American(九)月

加州英语分级G2 Giraffes of the Savanna 07

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发表于:2019-01-16 / 阅读(161) / 评论(0)

加州英语分级G2

美国国家公共电台 NPR Is The Secret To A Healthier Microbiome Hidden In The Hadza Diet?

ARI SHAPIRO, HOST: The phrase endangered species often refers to charismatic animals like mountain gorillas or polar bears. Well, today scientists are reporting that a whole different type of extinction is happening inside our bodies. NPR's Michaelee

发表于:2019-01-16 / 阅读(101) / 评论(0)

2017年NPR美国国家公共电台8月

加州英语分级G2 Giraffes of the Savanna 06

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发表于:2019-02-04 / 阅读(151) / 评论(0)

加州英语分级G2

科学家12年不洗澡，靠微生物喷雾清洁

In a bid to prove that showering is overrated, an American scientist hasnt had a bath in 12 years. Instead, he sprays his skin with a mist containing live bacteria, which he claims has kept him clean all these years! 为了证明洗澡是小题大做，

发表于:2019-02-09 / 阅读(122) / 评论(0)

阅读空间

英文乡村歌曲：Tropical Island-Adam Green

Tropical Island, Ohhhh Tropical island Ohhhh Feel the sea breeze waiting to lay you down just like a diamond Ohhhh Courageous peufis by design Blankets filled with iodine Lover come again just fine meet us in one day Ring ding battering ram Full disc

发表于:2019-02-11 / 阅读(146) / 评论(0)

美国乡村音乐

加州英语分级G2 Giraffes of the Savanna 08

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发表于:2019-02-13 / 阅读(139) / 评论(0)

加州英语分级G2

英语歌曲热带风光：海心岛屿 Adam Green - Tropical Island

Artist:Adam Green Song:Tropical Island Tropical Island, Ohhhh Tropical island Ohhhh Feel the sea breeze waiting to lay you down just like a diamond Ohhhh Courageous peufis by design Blankets filled with iodine Lover come again just fine meet us in on

发表于:2019-02-17 / 阅读(118) / 评论(0)

美国乡村音乐

加州英语分级G2 Giraffes of the Savanna 05

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发表于:2019-02-18 / 阅读(157) / 评论(0)

加州英语分级G2

加州英语分级G2 Giraffes of the Savanna 04

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发表于:2019-02-19 / 阅读(156) / 评论(0)

加州英语分级G2

加州英语分级G2 Giraffes of the Savanna 03

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发表于:2019-02-19 / 阅读(157) / 评论(0)

加州英语分级G2

加州英语分级G2 Giraffes of the Savanna 02

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发表于:2019-02-19 / 阅读(172) / 评论(0)

加州英语分级G2

加州英语分级G2 Giraffes of the Savanna 01

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发表于:2019-02-19 / 阅读(156) / 评论(0)

加州英语分级G2

学个词 Learn a Word-VOA英语教学 2633 savanna

今天我们要学的词是 savanna. Savanna 名词，稀树草原。A comprehensive census shows that the savanna elephant population in 18 African countries decreased by nearly a third between 2007 and 2014. 一项综合全面的研究显示，18个非

发表于:2019-02-24 / 阅读(136) / 评论(0)

英语单词荟萃

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angle of the v groove