听双语新闻—填词
Dinosaur footprints discovered in Hebei
More than 4,300 dinosaur footprints have been discovered in Zhangjiakou, North China’s Hebei province, the most found in one 1 in the country, according to the Department of Natural Resources of Hebei, which recently disclosed related survey results.
From the footprints, scientists can 2 how dinosaurs walked, calculate their length, weight and size, and even 3 their walking speed. The site in Zhangjiakou has surpassed the record set at a site in Sichuan province that has over 900 dinosaur footprints. The site has been covered up for protection after experts carried out three-dimensional imaging and cast molds of the footprints, according to Hebei’s natural resources department.