Dinosaurs were thriving until asteroid struck, research suggests
研究表明：恐龙在小行星撞击之前繁盛一时
Scientists estimate that an asteroid struck Earth about 66m years ago, triggering a mass extinction of all dinosaurs except birds.
2025-10-24 656词 中等
Now researchers say the dating of a rock formation in New Mexico throws doubt on that idea, suggesting dinosaurs were thriving until the fateful impact.
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