n. 前寒武纪, 前寒武纪岩
n. the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
以上参考资料就是本词典详细汇总的词语Precambrian是什么意思的翻译解释，如有错漏请向我们提供反馈意见。
