常速英语:阿根廷科学家发现新型恐龙

1. There are spines, and then there’s the Bajadasaurus pronuspinax. During the Cretaceous period,

Cretaceous period n ph. 白垩纪时期

The temperature drop during the Cretaceous period would almost certainly have wiped out an 'abundance' of the world's dinosaurs.
曾经称霸地球显赫一时的恐龙，在白垩纪时代的这次温度巨变中，似乎全都灭绝了。

2. The strata of this age, the sediments of a hundred and forty million years ago, are rare across the world,

strata n. 【地质学】地层

But the research team concluded that those anomalies were created by jumbling of strata when debris flowed back into the crater after the impact.
但是研究小组得出的结论是，那些异常现象是由于撞击之后碎块返回陨石坑时引起的地层混乱造成的。

将本页收藏到：
上一篇：常速英语:超额完成任务：机遇号光荣退役
下一篇：常速英语:汽车行业新趋势：纯电气化受消费者青睐

※相关链接※

• ·哪种语言最难学？外媒做了个排名，
• ·夏日炎炎吃西瓜：西瓜对健康居然有
• ·英语文摘:Xi, Putin to witness op
• ·英语文摘:China hits 400 mln vacc
• ·欧美文化:Feature: UK takes big s