单词：marine seismic record
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14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had
新概念优美背诵短文50篇
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be foss
新东方背诵文选
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a higher chance of being
考研背诵50篇
14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a
英语范文背诵20篇
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be foss
新东方现代文背诵篇章
By Jeff Swicord Chicago, IL 28 September 2006 watch Vets Run for Congress There is a record number of veterans running for office in the 2006 mid-term elections. All except one are running as Democrats and many are veterans of the wars in Iraq and A
2006年VOA标准英语（九月）
E=MC2 是爱因斯坦的著名理论，也就是质量和能量之间转化的公式，当然Mariah Carey采用这个作为专辑名称也是有寓意的。E代表Emancipation(呼应上一张专辑《The Emancipation of Mimi》)，即释放、解放；
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This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t
VOA标准英语2010年(一月)
Still exploring after 50 years, Donald Walsh is shown here at the North Pole. Donald Walsh grew up near San Francisco in the 1930s. Among his earliest memories is the mega-construction project he saw from his home in the Berkeley hills. Namely, the G
VOA标准英语2010年(六)月
Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known
VOA标准英语2012年(十月)
Disasters, Strong Yen Dissuade Tourists from Visiting Japan Japan's tourism industry has been knocked into a deep recession. Foreign tourists, who normally contribute about $16 billion annually to the economy, canceled planned visits after the March
VOA标准英语2011年(八月)
Whale Sightings Break Record in Southern California LONG BEACH, CALIFORNIA Tourists are flocking to the southern California coast for whale-watching tours. In the last month, a record number of the huge marine mammals have been seen off the coast of
VOA标准英语2014年(一月)
Researchers Record Iceberg Breaking Loud as an Earthquake The sound can be mistaken as a stringed instrument like a double bass, or maybe some kind of truck on the highway. But it actually is an iceberg, in the Antarctic Weddell Sea, grinding slowly
VOA标准英语2013年(七月)
(SOUNDBITE OF WHALE CALL) ARI SHAPIRO, HOST: Many animals that live in the ocean communicate with sound, like this humpback whale. (SOUNDBITE OF WHALE CALL) SHAPIRO: But these voices could soon be drowned out by powerful sonic booms set off in the oc
2018年NPR美国国家公共电台2月
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英语单词荟萃
The members met twice a month from November until June, when virtually all of them went off to spend the summer doing fieldwork. These weren't people with a pecuniary interest in minerals, you understand, or even academics for the most part, but simp
万物简史
Rotting Flesh Offers Insight on Fossilization The fossil record is far from being a complete library of everything that's ever lived. 化石记录不止是曾经存活生物的藏书阁. The vast, vast majority of everything that's ever lived has com
2018年科学美国人3月
Only about one bone in a billion, it is thought, ever becomes fossilized. 据认为，在10亿根骨头当中，只有大约l根能变成化石。 If that is so, it means that the complete fossil legacy of all the Americans alive todaythat's 270 mill
万物简史