古构造的

科学美国人60秒 SSS Teeth Hint at a Friendlier Neandertal

Teeth Hint at a Friendlier Neandertal牙齿的秘密 The paleo dietit's pretty trendy. Eat like a caveman, no dairy, grains, sugar and so on. But what you probably won't find on many paleo plates today? 旧石器时代的饮食非常的时髦。吃的就

发表于:2018-12-24 / 阅读(352) / 评论(0)

2017年Scientific American(三)月

VOA慢速英语--Rescue Work Continues after Mexico City Earthquake

The earthquake that struck near Mexico City Tuesday came exactly 32 years after an 8.0 magnitude quake hit the area. The 1985 earthquake killed nearly 10,000 people. Mexican officials say more than 200 people are confirmed dead following Tuesdays qua

发表于:2019-01-03 / 阅读(540) / 评论(0)

2017年VOA慢速英语(九)月

VOA慢速英语2012 SCIENCE IN THE NEWS - Is Eating Like Our Ancestors Good For Us?

SCIENCE IN THE NEWS - Is Eating Like Our Ancestors Good For Us? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about evidence that early humans were meat-eaters much

发表于:2019-01-12 / 阅读(352) / 评论(0)

2012年VOA慢速英语(十一)月

VOA标准英语2010年-Eat Like a Caveman

Robert Keeling says he's never felt better in his life. He never gets sick. I don't have colds anymore, he says. The 35-year-old Washington lawyer attributes his good health to exercise and diet. He likes the high intensity group workout he gets at C

发表于:2019-01-13 / 阅读(349) / 评论(0)

VOA标准英语2010年(二月)

【英语时差8,16】断层线

Scientists say the surface of the Earth is cracked like a giant eggshell. They call the pieces tectonic plates. As many as twenty of them cover the Earth. The plates float about slowly, sometimes crashing into each other, and sometimes moving away fr

发表于:2019-01-22 / 阅读(523) / 评论(0)

英语时差8，16

趣味青春英语电台第165期:On the wagon

Idiom: On the wagon 成功戒酒 Hit the book: Scale Descend Mariana trench Crescent Scar Peak Trough Tectonic Collide

发表于:2019-01-22 / 阅读(385) / 评论(0)

趣味青春英语

【英语语言学习】像我们祖先一样饮食好吗

From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Christopher Cruise. And Im June Simms. Today we tell about evidence that early humans were meat-eaters much earlier than scientists have thought. We also tell about an anci

发表于:2019-01-24 / 阅读(433) / 评论(0)

英语语言学习

2007年VOA标准英语-Paleo-Artists Depict Prehistoric Worlds for Mod

By Mike O'Sullivan Los Angeles 14 May 2007 Dinosaurs and other prehistoric creatures hold an enduring fascination, especially to the artists known as paleo-artists who bring the ancient animals to life. Mike O'Sullivan reports on the work of two pale

发表于:2019-02-04 / 阅读(404) / 评论(0)

2007年VOA标准英语（五月）

英语听力文摘 English Digest 166、Why Mountains Stop Growing

If you live up in the mountains, understanding the continually shifting landscape can mean survival. Mountains are continually shifting. Erosion wears mountains down, but active mountain ranges are also continuously rising. And heres the interesting

发表于:2019-02-24 / 阅读(351) / 评论(0)

英语听力文摘 English Digest

万物简史第262期:大地在移动(16)

Earth is alone among the rocky planets in having tectonics, and why this should be is a bit of a mystery. It is not simply a matter of size or densityVenus is nearly a twin of Earth in these respects and yet has no tectonic activity. It is thoughttho

发表于:2019-02-25 / 阅读(382) / 评论(0)

万物简史

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a moment later

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analog vlsi neural network