The evidence for the strike came 30 years ago when father-and-son geologist team Luis and Walter Alvarez studied data laid down at the time of the last dinosaurs.
2
因为这里没有那么多有关恐龙的物质资料，所以我在考虑如何将研究继续。
Because there wasn't as much dinosaur material back then, I wanted to see if it held up.
3
这些新发现补充了些关于恐龙是如何在进化史中出现的详细资料，其中当然包含了霸王龙这种典型的食肉动物。
These finds have fleshed out details about the emergence of their kind over evolutionary time, including the quintessential carnivore.
点击反馈