Because it's less dense than liquid water.

因为它没有液态水的密度大。

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Hence ice is less dense than water, so it floats.

因此，冰的密度小于水的密度，所以冰能浮在水上。

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This makes the surface less dense, but still smooth.

这样，可以减少平面的密集程度，而且可以使之更光滑。

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The gas is much less dense than either the solid or the liquid .

气体的密度比固体和液体要小得多。

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The upward force that a fluid exerts on an object less dense than itself.

施加给比自己密度小的物体的向上作用的力。

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As an alternative, try soda water for a less calorie dense beverage.

你可以用低卡路里饮料苏打水代替酒精饮料。

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As an alternative, try soda water for a less calorie dense beverage.

你可以用低卡路里饮料苏打水代替酒精饮料。

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