Cretaceous
01
白垩纪, 白垩纪时期
from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
cretaceous
01
白垩纪的
relating to the period between approximately 146 and 65 million years ago, when dinosaurs lived (until their extinction)
02
富含白垩的, 白垩纪的
abounding in chalk
