Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。The Pike lives mainly in large rivers and lakes.狗鱼主要生活在大江大湖中。We were driven across this wondrous vast land of lake...
There are five lakes: Superior, Michigan, Huron, Erie and Ontario.共有五个大湖泊: 苏必利尔湖, 密歇根湖, 休伦湖, 伊利湖和安大略湖.Autochthonous or allochthonous, may be important in the total metabolic system of lakes and streams.自源的或他源的在湖泊与河流的总代谢系...