资料来源 : pyDict

被风刮在一起的雪堆,随风飘飞的雪

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Snowdrift \Snow"drift`\, n.
   A bank of drifted snow.

资料来源 : WordNet®

snowdrift
     n : a mass of snow heaped up by the wind