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Decrease in Shark Population Harms Ocean 1)Ecosystems

Broadcast: Jan 16, 2003 Experts say one of the world's most feared, but misunderstood, creatures is under 2) assault by fishermen. A new study of all types of sharks finds that there are fewer of them

发表于:2018-12-08 / 阅读(65) / 评论(0)

VOA2003（上）-科技先知

VOA标准英语2012--Report: Ecosystems More Stressed Than Ever

Report: Ecosystems More Stressed Than Ever When Super Storm Sandy ravaged the U.S. East Coast and inundated New York City in late October, many wondered if such extreme weather events might be linked to climate change, the gradual warming of the plan

发表于:2018-12-08 / 阅读(156) / 评论(0)

VOA标准英语2012年(十二月)

科学美国人60秒 SSS Waste Amphetamines Alter Underwater Ecosystems

Last week, tens of thousands of gallons of sewage gushed into urban streams in Baltimore, because of leaky pipes and flooding rains. And when that happens, it's not just organic matter and microbes that get flushed into aquatic habitats. It's drug re

发表于:2018-12-24 / 阅读(71) / 评论(0)

2016年Scientific American(八)月

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(79) / 评论(0)

2017年Scientific American(三)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(84) / 评论(0)

2012年VOA慢速英语(十一)月

Severe Drought, Wildfires Threaten Water Resources

Severe Drought, Wildfires Threaten Water Resources This is Valles Caldera. Actually, it's the giant mouth of a dormant super volcano that last erupted 40,000 years ago. In the millennia since then, the terrain developed high-elevation forests, of abu

发表于:2019-01-13 / 阅读(145) / 评论(0)

VOA标准英语2012年(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(85) / 评论(0)

VOA标准英语2010年(二月)

【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(73) / 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(123) / 评论(0)

2007年VOA标准英语（五月）

加州语文教材 G3 V3 Ecosystems in Balance 11

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发表于:2019-02-20 / 阅读(135) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 10

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发表于:2019-02-20 / 阅读(138) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 09

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发表于:2019-02-20 / 阅读(873) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 08

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发表于:2019-02-20 / 阅读(140) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 07

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发表于:2019-02-20 / 阅读(130) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 05

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发表于:2019-02-20 / 阅读(128) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 04

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发表于:2019-02-20 / 阅读(139) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 03

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发表于:2019-02-20 / 阅读(133) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 02

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发表于:2019-02-20 / 阅读(149) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 01

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发表于:2019-02-20 / 阅读(148) / 评论(0)

加州语文教材California Treasures G3

加州语文教材 G3 V3 Ecosystems in Balance 06

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发表于:2019-02-20 / 阅读(132) / 评论(0)

加州语文教材California Treasures G3

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学英语单词

2-propenoxybenzene

adventitial sheath

aneurysmal

annual hours contract

antral polyp

argumentation

backquote

base net(triangulation)

bottom friction

campanumoea javanica bl.

caprylene