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 ...
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...