英语词汇Cambrian period怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Cambrian period
释义	Cambrian period 美/ ?k?mbri?n ?p?ri?d / 简明释义寒武纪：地质年代学上的一个时期，距今约5.45亿年至5.42亿年，是地球历史上生命大爆发的时期，出现了大量的海洋生物种类。英英释义 n. 1 from 544 million to about 500 million years ago; marine invertebrates 同义词：Cambrian 双语例句 1 The transition between the Cambrian and the Ordovician periods is crucial in evolutionary history. 之间的寒武系和奥陶系过渡时期是在进化史上的关键。
随便看	advance against goods advance against securities advance agency advance agent advance aginst advance a line advance allocation advance anchor bolt advance and retreat advance and return movement advance angle advance angle of fuel supply advance angle of ignition advance angle of ignition tester advance angle of influence advance an idea advance announcing post advance application support facilities advance approach aspect advance appropriation advance a proposal advance a reason advance arrangement advance arrival notice of ship Advance Australia Fair

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