这些云层发生在卷云或卷层云，它们通常包含着冰晶和过冷的水滴——温度低于冻结温度却依然能保持着其液体的状态。
These occur in cirrus or cirrostratus clouds, which are often composed of ice crystals and super-cooled water droplets - water that is below freezing temperature, but still in liquid form.
当土卫二内部的液体水被喷发到土卫二寒冷的表面之后，这些液体水被寒冷的气温冻结成冰晶的同时，那些本来就存在于液体水中的钠元素也随之冻结成冰。
As the geysers reach Enceladus' frigid surface, the water freezes and some of the sodium remains trapped within the newly formed ice crystals.
在寒冷的季节中，室外压缩空气管线中的液体水会冻结，引起管道堵塞或爆裂。
During the cold seasons, outdoor compressed air of liquid water will freeze pipeline, cause blockage or burst pipe.
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