snow是名词，译为“雪;雪花;积雪;”。The snow was beginning to melt.积雪开始融化了。snowy是形容词，译为“被雪覆盖的;下雪多的;雪白的”。
知识拓展其他天气的名词和形容词
（1）cloud和cloudy
cloud是名词，译为“云;云朵;云状物”。
The plane was flying in cloud most of the way.
飞机一路大多在云层里飞行。
cloudy是形容词，译为“被云覆盖的;多云的;阴天的”。
It was cloudy yesterday. 昨天是阴天。
（2）sun和sunny
sun是名词，译为“太阳;日;太阳的光和热;阳光;日光;”。
Dena took them into the courtyard to sit in the sun.
德娜带他们到院子里晒太阳。
sunny是形容词，译为“阳光充足的;欢乐的;快乐的;晴朗的”。
The weather was surprisingly warm and sunny.
天气出奇地暖和，阳光充足。
（3）wind和windy
wind是名词，译为“风;气流”。
The trees were swaying in the wind .
树在风中摇晃。
windy是形容词，译为“多风的;风大的;当风的;”。
It was windy and Jake felt cold.
风很大，杰克觉得很冷。
（4）rain和rainy
rain是名词，译为“雨水”。
I hope you didnt get soaked standing out in the rain
我希望你站在外面没有被雨淋透。
rainy是形容词，译为“阴雨的;多雨的”。
They walked along the promenade on a rainy night.
他们在一个雨夜沿着海滨道散步
