The temperature drop during the Cretaceous period would almost certainly have wiped out an 'abundance' of the world's dinosaurs.
曾經(jīng)稱霸地球顯赫一時的恐龍,在白堊紀(jì)時代的這次溫度巨變中,似乎全都滅絕了。
The scientists behind the ground-breaking study claim this would have been the first major step dinosaurs took on their eventual road to extinction.
在這次前所未有的研究中,科學(xué)家們聲稱,溫度巨變只是恐龍們走上滅絕之路的第一步。