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With the breaking up of the continents, the oceans moved closer to what is now North America, causing a dramatic increase in rain. 随着大陆的分离,海洋愈发靠近如今的北美洲,导致降水的急剧增加。 The herd is forced to the
AS IT IS 2013-12-08 New Sport Doping Rule Doesnt Ban Herbal Drugs 新反兴奋剂法不禁止草药 Welcome to As It Is from VOA Learning English. Im Christopher Cruise in Washington. Today on the program, we report on the growing number of wealthy S
C: (Bob sees Mike in the street and follows him.) Bob: There's Mike now! Wonder what he's up to! Ah, he's collecting cans and bottles and redeeming them! He's heading for the super-market! That explains it! I bet he's buying treats for some poor kids
Triceratops protects itself with a bony shield called a frill. They can fend off an attacker with a pair of one-meter-long swords. Youve got to crush it. The only way to deal with this huge, curved, cantilevered, composite armor is a crushing blow wi
Triceratops is an amazing animal simply because it was absolutely enormous. They had this big massive body with a big gut. So, you know, we are talking of an animal thats maybe four or five tons. A Triceratops is half as tall as a T-Rex, yet it weigh
本期内容: Ryanair is entering the corporate-jet market. The Irish airline has customised a Boeing 737-700; the 60-seat aircraft will be available for hire by the hour. In recent years the budget carrier has softened its no-frills image: in 2014