lake表示湖泊时是可数名词，表示湖水时为不可数名词。
例句
Garbage pollutes our rivers and lakes.
垃圾污染我们的河川湖泊。 扩展资料
I was seeing it all in glorious technicolour: mountains， valleys， lakes， summer sunshine.
我所看见的一切——大山、山谷、湖泊和夏日的'阳光全都绚丽多彩。
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。
Rivers and lakes provide us with water transport and irrigation.
江河湖泽给我们以舟楫和灌溉之利。
The lake was covered with a sheet of ice.
湖面上覆盖着一层冰。
We went for a row on the lake.
我们去湖上划船了。
Huge numbers of birds had flocked together by the lake.
成群的鸟聚集在湖边。
