n. 生物集群灭绝
[网络] 灭绝事件

Great Event 林肯过生日

Great Event Teacher: What great event happened in 1809? Little Willy: Abraham Lincoln was born. Teacher: Correct. And what great event happened in 1812? Little Willy: Abraham Lincoln had his third birthday. 林肯过生日老师：1809年发生了什么

发表于:2019-01-03 / 阅读(63) / 评论(0)

英汉幽默故事选读

亡者归来:三分之一绝种动物再现世间

Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well

发表于:2019-01-07 / 阅读(38) / 评论(0)

英语新闻

The extinction of men

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(101) / 评论(0)

六分钟英语

2018年CRI Yangtze River says no to finless porpoise extinction

The Yangtze River is a major habitant for finless porpoise, an aquatic marine mammal close to dolphins. However due to increasing human activities the number of the animal has been declining in China over the years. Provinces along the Yangtze River

发表于:2019-01-19 / 阅读(67) / 评论(0)

2018CRI中国国际广播电台

英语新闻视频：Sun Bears - World's smallest bear face extinction

Cambodia is home to the largest population of sun bears left in the wild. As the worlds smallest bear species, they are now facing a high risk of extinction due to the twin threat of habitat loss and illegal hunting. Charities are working hard to sav

发表于:2019-02-04 / 阅读(43) / 评论(0)

英语新闻视频

万物简史第279期:砰!(14)

Even among paleontologists it was not unknown. 即使在古生物学界，也不是没有这种看法。 In 1956 a professor at Oregon State University, M. W. de Laubenfels, writing in the Journal of Paleontology, 1956年，俄勒冈州立大学教授

发表于:2019-02-25 / 阅读(43) / 评论(0)

万物简史

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学英语单词

aloracetam

ambient temperature switch

balance of visible and invisible trade