For example, melted (溶解的) cheese has gone through a physical change.

例如，奶酪的溶解便是一个物理变化。

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If a material goes through a physical change, it is still the same material.

如果一种材料经历了物理变化，它的性质不变。

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If a change does not affect the food's chemical composition, we call it a physical change.

如果一种变化不影响食物的化学成分，那我们便称之为物理变化。

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Another possible reason for more injuries is a change in the traditional idea of physical education.

VOA: special.2009.08.06

"Once a woman became overweight or obese, there was no relation between physical activity and weight change among these women."

VOA: standard.2010.03.30

However, it is unclear whether this difference is a key to understanding how autism develops - or simply a physical change brought about by years of actually being autistic.

BBC: Why autism can't find a face

The unit found that the brain could be naturally vulnerable or even pre-disposed to the illness and could be more susceptible to an eating disorder following a physical change in the brain due to an event that happened in child hood.

BBC: Eating disorders 'on the increase'

In negotiations, if your opponent uses physical intimidation tactics to their advantage, negotiate telephonically or even electronically so that their physical presence is not a factor, in other words, change the game from their game of physical intimidation to one of virtual communication.

FORBES: Musashi-Style Negotiations In Business - Set The Game Board Before The Battle Begins