archaean
美 英adj. 太古代的n. 太古代 近义词：Archean，
英英释义
Adjective
- of or relating to the earliest known rocks formed during the Precambrian Eon
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。
