基本解释上寒武統英汉例句雙語例句The ore-bearing bed consists of black rocks from Upper Sinian Series to Lower Cambrian Series.含鑛層爲上震旦統—下寒武統黑色巖系。upper Cambrian series更多例句词组短语短語Middle -Upper Cambrian Series 中上寒武統upper Cambrian series更多词组专业释义地球科學上寒武統