基本解釋上寒武統(tǒng)英漢例句雙語例句The ore-bearing bed consists of black rocks from Upper Sinian Series to Lower Cambrian Series.含礦層為上震旦統(tǒng)—下寒武統(tǒng)黑色巖系。upper Cambrian series更多例句詞組短語短語Middle -Upper Cambrian Series 中上寒武統(tǒng)upper Cambrian series更多詞組專業(yè)釋義地球科學上寒武統(tǒng)