音標發(fā)音英式音標 [?pri??k?m.bri.?n]美式音標 [?pri??k?m.bri.?n]英式發(fā)音 美式發(fā)音 基本解釋n.前寒武紀;前塞武層adj.前寒武紀的;前塞武層的同根派生 Precambrian相關詞英漢例句用作名詞 (n.)Selected Papers on Precambrian iron Deposits.前寒武紀鉄鑛論文集。Rapakivi is a special rock in Precambrian.環(huán)斑花崗巖是發(fā)育於前寒武紀的一種特殊巖石。用作形容詞 (adj.)Rapakivi is a special rock in Precambrian.環(huán)斑花崗巖是發(fā)育於前寒武紀的一種特殊巖石。Precambrian更多例句英英字典劍橋英英字典 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 appearedPrecambrian劍橋字典Precambrian柯林斯字典