流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.我们漫步经过泉水叮咚的喷泉和芬芳四溢的花园。We strolled past tinkling fountains and perfumed gardens.这条河发源于一处泉水.The river rises from a s...
As the domestic market becomes saturated, firms begin to export the product.由于国内市场饱和，各公司开始外销。You can't begin to imagine how much that saddens me.你都无从想象这让我有多悲伤。You can add ingredients to these desserts as they begin ...