那些水很凉。
Because it is very cold, the ice water becomes ice.
天气寒冷，冰水都结冰了。
It is said that on the moon there is no water and air, and it is very cold at night and very hot in the day.
据说，在月球上既没有水也没有空气，晚上很冷，白天又很热。
It is said that on the moon there is no water and air, and it is very cold at night and very hot in the day.
据说，在月球上既没有水也没有空气，晚上很冷，白天又很热。
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