snow:名词/动词
snowy:形容词
1.There is lots of snow in winter.
2.Did it snow yesterday?
3.It often snows here.
4.It is a snowy day.
1.冬天有很多雪 这里的雪是名词
2.it指的是天,因为前面有did了,是过去时,所以用did it snow.这里的snow是动词
3.snow这里是动词
4.下雪的,这里形容day(天气）