热使水变成蒸气。

Heat turns water into vapor.

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温度是如此的高，以至于水都变成了水蒸气。

The temperature is so high as to change water into steam.

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水如果受热就会变成水蒸气。

If heated, water will turn into steam.

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水会变成水蒸气。

Water will become vapor.

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水如果受热就会变成水蒸气。

If water is heated, it will turn into steam.

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水由冰变成蒸气是物理变化。

The change of water from ice to vapor is physical.

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加热时，水会变成蒸气。

When heated, water will turn into steam.

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水加热就会变成蒸气。

Water is changed into steam by heat.

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水怎样变成水蒸气？

How can the water become vapour?

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水怎样变成水蒸气？

How can the water become vapour?

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