How can the water in the lake become vapour?用英语解答

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How can the water in the lake become vapour?用英语解答
How can the water in the lake become vapour?用英语解答

How can the water in the lake become vapour?用英语解答
When the sun shines on the lake,you'll see the vapour rising from the water.

When the sun shines on the lake, you'll see the vapour rising from the water.

吸热了。吸热以后,水的内能增加,水分子运动速度加快,逸散速度加快,变成水蒸气
after heated.