The weather is what the air and the sky are like in one place at one moment: sunny or cloudy, dry or rainy or snowy, calm or windy, warm or cold.




示例
Example 1.2 (Fog)
On some mornings the air itself looks white, and the trees at the end of the street seem to disappear. This is fog. Fog is a cloud that touches the ground. When the day warms up, the fog often goes away.