常見例句We will strengthen the protection of wet land. 我們將加強(qiáng)濕地保護(hù)。They treated wet land by draining and sunning the fields. 他們用排水曬田的辦法對潮濕地帶進(jìn)行了治理。If this wet land was drained, it would be good farmland. 如果把這塊濕地的水排干, 這塊地就會成為良田。There are abundant wet land resources in the Yangtze valley. 長江流域有豐富的濕地資源。Secondly,the treatment theory of artificial wet land is illustrated. 然后,對人工濕地的處理原理進(jìn)行了闡述。Bai Yang Dian Wet Land is the biggest freshwater lake in North-China and its eco-environment deteriotes seriously and the lake is drying up. 摘要白洋淀濕地是華北地區(qū)最大的淡水湖泊,近年來,生態(tài)環(huán)境退化現(xiàn)象十分嚴(yán)重,面臨著干淀的威脅。 返回 wet land