单词：mastodonton
单词：mastodonton 相关文章
ARI SHAPIRO, HOST: Artifacts found in Southern California have puzzled scientists for years. Some now say they are proof that humans lived in the area 130,000 years ago, well before anyone thought. That would make them the oldest evidence of humans i
2017年NPR美国国家公共电台4月
Some of this ice age dung was found beneath the skull in the Aucilla. The dung contained plant remains that tell us what the mastodon was browsing on 13,000 years ago or morea mixture of trees and grasses. This suggests that ice age Florida was drier
探索与发现2013年
By Doug Levine Washington 28 October 2006 Saxophonist Michael Lington became a fan of American jazz while growing up in his native Denmark. It was a passion so strong that he eventually settled down in the U.S. and launched a recording career. In a
2006年VOA标准英语（十月）
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WASHINGTON, Aug. 3 (Xinhua) -- American Andy Roddick eased into third round of the ATP Washington Classic tennis tournament on Tuesday. Roddick, a three-time Washington champion, defeated Slovenian Grega Zemlja 6-4, 6-4 in just 84 minutes. I accompli
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It has long been thought that mammoths and mastodons rambled over North American subartic grounds between 75,000 and 10,000 years ago, and were made extinct by hungry new arrivals on the scene, human beings. But new evidence indicates mastodons proba
2015年Scientific American(二)月