基本解释[地球科學]海底扇穀英汉例句雙語例句Two or over two lithofacies make up three facies association including slope- submarine valley, submarine fan and basinal plain.較大範圍內兩個或兩個以上巖相組成斜坡—海底峽穀、海底扇、盆地平原三個相組郃。submarine fan valley更多例句专业释义地球科學海底扇穀