不可数名词，snow的名词意思是雪；雪花；积雪；(某地或某时的)降雪量；一场雪。snow是物质名词，物质名词属于不可数名词。物质名词包活液态物质、气态物质、固态物质，如建筑材料、粮食、饮料等。
His red clothes stood out clearly against the snow.
他的红衣服在白雪中格外显眼。
I don't think the snow will settle.
我看这雪积不住。
Snow has prevented communication with the outside world for three days.
大雪使得与外界的通信联系中断了三天。
After today's heavy snow, many roads are still blocked.
今天下过大雪，很多道路仍然堵塞。
I remember one time we had to abandon our car in the snow.
我记得有一次我们迫于无奈把汽车丢弃在雪地里。
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