| 释义 |
Archaean/ɑ:ˈki:ən/ adj. & n. (US [美] Archean)●adj. of or relating to the earlier part of the Precambrian era, characterized by the absence of life (cf. 参见 PROTEROZOIC) (无生命存在的)太古代的 ●n. this period 太古代 [Greek arkhaios ‘ancient’, from arkhē ‘beginning’] |