Late cretaceous
| regression
| Late Cretaceous | |
| desert. | 晚白垩纪; 晚白垩系 |
| earth.sc. | 晚白垩世 |
| regression | |
| desert. | 逆行 |
| econ. | 复归 |
| econ. од. | 倒退 |
| hydroel.st. | 退回 |
| hydroel.st. од. | 回归 |
| oil од. | 海退 |
| space | 退行 |
| sport. med. од. | 退化; 消退; 退行 |
| |||
| 晚白垩纪; 晚白垩系 | |||
| 晚白垩世 | |||
| 白垩纪晚期 | |||
|
Late cretaceous : 4 phrases in 1 subject |
| Technology | 4 |