单词：Archaean
音标：[ɑ:'ki(:)әn] ；
a. 太古代的
s of or relating to the earliest known rocks formed during the Precambrian Eon
词型变化：名词复数形式 : archaeans
Archaean的用法和样例：
例句
用作形容词(adj.)
- The Archaean and Katarchaean units are preserved mainly as relic masses太古界与远太古界主要作为残余体保存下来。
用作名词(n.)
- But simulation rock composition of the Archaean can form granite if partial melting grade is high.模拟的太古代岩系岩石化学成分经高程度的部分熔融作用可以形成老湾花岗岩。
【近义词】
- Archean太古代的