Thermal distillation involves heat: Boiling water turns it into vapor-leaving the salt behind-that is collected and condensed back into water by cooling it down.

热蒸馏涉及到加热：沸腾的水变成水蒸气- - -盐分留了下来- - -被收集的蒸汽冷却后凝结成水。

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The frog plopped back into the water.

青蛙扑通一声跳回水中。

《牛津词典》

Water dripped into a basin at the back of the room.

水滴入房间后面的一个盆里。

《柯林斯英汉双解大词典》

Fishermen cut off the shark's fins and throw the animal back into the water.

VOA: special.2009.06.16

She was apparently among a number of swimmers who were scrambling to get out of the water when the storm roared through and toppled a tree that knocked them back into the water, Jordan said.

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As the water gets hotter, one crab may try to climb out, only to be pulled back into the water by another crab.

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Slowly over the past two years, 100, 000 individual investors have crept back into the water.

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