Precambrian
剑桥词典
- from or referring to the earliest period of time , between about 4,600 and 543 million years ago, from when the earth was formed until the first simple forms of life appeared
前寒武紀的（地質年代的最早堦段，迄今約46-5.43億年前之間，自地球開始形成起至第一個簡單形式的生命出現）
Precambrian time 前寒武紀時代／時期
Precambrian rocks 前寒武紀巖石
the Precambrian
noun [ 單數名詞 ] ukYour browser doesn't support HTML5 audio
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the Precambrian period of time
前寒武紀時期 返回 Precambrian