English Dictionary

K-T extinction event

名詞

The rapid dying off of a large percentage of all animal species in a comparatively short period of time 65.5 million years ago. This coincides with the end of the Cretaceous period, and may have been caused by an impact event.

日本語の意味

約6550万年前、白亜紀末に起こったとされる大規模な動物絶滅事象。短期間に多数の動物種が急速に絶滅した現象で、隕石衝突などの影響が原因と考えられています。

The fossil record provides compelling evidence that the K-T extinction event wiped out the non-avian dinosaurs and many other species.

化石記録は、白亜紀末の大量絶滅が非鳥類恐竜や多くの他の種を絶滅させたという説得力のある証拠を示している。

意味（1）

The rapid dying off of a large percentage of all animal species in a comparatively short period of time 65.5 million years ago. This coincides with the end of the Cretaceous period, and may have been caused by an impact event.