[生态] 生物圈保护区

VOA慢速英语 2008 0429b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about a threat to North America's colorful monarch butterflies. We will tell about what is being called the olde

发表于:2018-12-07 / 阅读(31) / 评论(0)

VOA慢速英语2008年（四）月

TED演讲:论生物多样性(5)

And so it is everywhere one looks. 这一现象在世界各地都在发生。 The human juggernaut is permanently eroding Earth's ancient biosphere by a combination of forces that can be summarized by the acronym HIPPO, the animal hippo. 人类正在以

发表于:2019-01-03 / 阅读(37) / 评论(0)

TED演讲科学篇

Croatia’s threatened floodplains

Chris: Hello and welcome to 6 Minute English from BBC Learning English, the programme where we discuss a topical subject and introduce you to some of the interesting vocabulary connected to that topic. I'm Chris and with me today is Rosie. Rosie: Hel

发表于:2019-01-07 / 阅读(75) / 评论(0)

六分钟英语

How You Can Broaden Your Horizons with Travel

How You Can Broaden Your Horizons with Travel Instead of just sitting on some tropical beach and sipping pina coladas during your vacations, it is very possible to get a ton of personal growth from your travels. But in order to do this, you will have

发表于:2019-02-09 / 阅读(48) / 评论(0)

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新年短途之旅：九寨沟

Jiuzhai Valley is locally known as Jiuzhaigou (Chinese for Nine Village Valley). It is a national park located in the Min Shan mountain range, Northern Sichuan in South Western China. It is best known for its fabled blue and green lakes, spectacular

发表于:2019-02-12 / 阅读(34) / 评论(0)

实用英语

万物简史第381期:进入对流层(22)

By 1958, when people in lab coats started to pay attention to it, it had risen to 315 parts per million. 到1958年实验室人员开始重视这个问题的时候，那个数字已经上升到百万分之三百一十五。 Today it is over 360 parts

发表于:2019-02-25 / 阅读(78) / 评论(0)

万物简史

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amber oil

animation and title camera

case mounted controller

CBMT

cerium(iv) silicide