英语词汇Ordovician 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	Ordovician Period
释义	Ordovician Period 简明释义奥陶纪英英释义 n. 1 from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds 同义词：Ordovician 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。 2 The two karst developing periods for the Middle and Upper Ordovician in the Lunnan area are consistent with two transgressions of the Carboniferous. 轮南地区发育的两期岩溶与石炭纪两次较大的海侵时间相一致。
随便看	Megakaryocytic maturation arrest Megakaryocytic myelosclerosis Megakaryocytic myelosis megakaryocytic series megakaryocytic system megakaryocytopoiesis megakaryocytosis megakaryophthisis megakaryopoiesis megakeryoblast megal- megal Megaladapidae Megalaima oorti Megala Kalyvia megalakria Megalan megalanthum megalanthus megalaspidella Megalaspis cordyla megalecithal megalecithal egg megalecithal ovum megalecithal ovum, polylecithal egg

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