If we place a semipermeable membrane (like that in a reverse osmosis filter) between sealed bodies of salt water and fresh water, the fresh water will gradually travel through the filter by osmosis.

如果我们把一个半透膜(如，在反渗透过滤器)之间的海水和淡水密封机构，将逐步淡水通过渗透穿过过滤器。

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Fresh water from the Parana and Uruguay rivers collides with salt water from the South Atlantic Ocean in the muddy estuary of Rio DE la Plata.

巴拉那河和乌拉圭河的淡水与来自南大西洋的海水在拉普拉塔泥泞的河口相互碰撞着。

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If the fresh water were to fall below a certain point, the salt water could rush upward and mix with it, taking out a water supply that is essential for Israel.

如果淡水降至某个临界点，咸水将上涌与之混合。这样以色列就会失去性命攸关的水源。

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Its idea was to move the point at which salt and fresh water mix in the Sacramento-San Joaquin Delta to a place that they opined was ideal for the smelt.

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The 16th Century hull was first sprayed with chilled fresh water to remove salt and later with a water-soluble wax which prevents shrinkage of the timbers.

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The salt lakes fill with fresh water, and millions of water birds - pelicans, stilts, shags and gulls - can be seen feeding on the superabundant fish and insect life.

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