您要查找的是不是：
- （U-Th）／He定年(U-Th)/He dating method
- 定to set
- 锆石U-Ph定年U-Pb zircon dating
- 年中midyear
- 流年fleeting time
- 待定undetermined
- 四年four years
- 绑定binding
- 不定indefinite
- 多年来for the past many years
- （U-Th）／He年龄(U-Th)/He dating
- 搞定settle
- 年金rente
- 年少juniority
- 定的definite
- 年来over the last ... years
- 自定make
- 最近几年the last few years
- 滴定titration
- 七年a prophetic week
