| 释义 |
Cret·aceousBrE /krɪˈteɪʃəs/ NAmE /krɪˈteɪʃəs/ adjective (geology地质学) of the period between around 146 and 65 million years ago , when dinosaurs lived (until they died out ); of the rocks formed during this time 白垩纪的▸ the Cret·aceousBrE /ˌðə krɪˈteɪʃəs/ NAmE /ˌðə krɪˈteɪʃəs/ noun [sing. ] |