When the ground gets cool enough, dew forms, like beads of condensation on a can of cold soda.

当地面变得足够冷，露珠就形成了，就像一罐冰冻汽水外面形成的小水珠一样。

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When the ground gets cool enough, dew forms, like beads of condensation on a can of cold soda. If the sky is cloudy at night, however, the Earth's surface doesn't cool as much.

在地面凉到一定程度时，露水形成了，就像在冷冻的苏打水灌上凝结出的水珠一样。

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Like all clouds, it forms when the air reaches its dew point, which is the temperature to which an air mass must be cooled for the water vapor in it to condense into liquid droplets.

和其他云一样，它是当空气达到凝结点，即空气团的温度冷却到使其中的水蒸气凝结成液态水滴的温度时形成的。

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