如果温度降至零度，水便结冰了。

If the temperature drops to zero degrees centigrade, water freezes.

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通过这种方式，糖分子与水分子在水结冰之前便合二为一了。

This way, the sugar and water molecules bond together before the water can freeze.

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水结冰时便变成固体。

Water becomes solid when it freezes.

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水结冰时便变成固体。

Water becomes solid when it freezes.

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