初龙是鳄鱼、恐龙类以及和现代鸟类的始祖。这次的发现有助于解释2.5亿年前初龙在世界范围内大规模存在的原因。
The findings could help to explain why the archosaurs — the ancestors of crocodilians, dinosaurs, and modern birds — emerged to dominate the world some 250 million years ago.
自2006年2月初以来，高致病性H5N1禽流感病毒的传播已影响到非洲、亚洲、欧洲和中东17个新的国家的野生鸟类或家禽。
Since the beginning of February 2006, the highly pathogenic H5N1 avian influenza virus has spread to affect wild or domestic birds in 17 new countries in Africa, Asia, Europe, and the Middle East.
他说：“在那里，你可以在5月初看到或听到100多种鸟类。”
You can see or hear well over 100 species of birds in early may.
他说：“在那里，你可以在5月初看到或听到100多种鸟类。”
You can see or hear well over 100 species of birds in early may.
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