How did dinosaurs become extinct?
恐龙是如何灭绝的？
英语解释：an animal that lived millions of years ago but is now extinct. There were many types of dinosaurs, some of which were very large.
• 恐龙
,
How did dinosaurs become extinct?
恐龙是如何灭绝的？
英语解释：an animal that lived millions of years ago but is now extinct. There were many types of dinosaurs, some of which were very large.
• 恐龙
,
