Millions of years of evaporation have concentrated the minerals in the lake, turning the water salty.

经过百万年的蒸发，矿物质浓缩了在湖中，使水变得咸了。

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This uses special membranes which act as molecular sieves by passing water molecules while holding back the ions, such as sodium and chloride, that make water salty.

其使用一种特殊的过滤膜充当分子过滤器，凭借让水份子通过而留下那些使水变咸的离子，诸如钠和氯化物离子。

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The resulting salty water will be discharged at sea.

产生的咸水将被排放到海里。

《柯林斯英汉双解大词典》

The water under the ice is very salty and contains many kinds of minerals including iron.

VOA: special.2009.06.03

The salty water is also destroying Venice's famous buildings and artworks.

VOA: special.2009.04.22

The lake water was too salty to use.

VOA: special.2009.06.04

The authority will shut down power to its signal system if it appears that large amounts of water have entered the tunnels, to prevent the salty water from doing added damage to sensitive electronic relays.

WSJ: Salt Water Puts City's Subway System 'in Jeopardy'

The sea ice expanded during Southern Hemisphere autumn and winter in response to the development of a fresh, cool surface water layer, which floated on the denser, warmer salty sea water below.

BBC: Melt may explain Antarctica's sea ice expansion

Ninety-two people had the drug injected into a vein, while another 93 were injected with salty water.

BBC: Drug 'may prevent stroke damage'