基本解释[地球科學]淡水河口灣英汉例句雙語例句So it is very important to study on the mixing of salt-fresh water and saltwater intrusion in Changjiang Estuary.因此研究長江口鹽淡水混郃、鹽水入侵情況有著及其重要的理論意義和實用價值。fresh-water estuary更多例句专业释义地球科學淡水河口灣