snowpack

例句：

1. 1. The mountain is covered in a thick layer of snow.
   这座山覆盖着厚厚的一层雪。
2. 2. The skiers were caught in the snowpack during their downhill run.
   滑雪者在下山时被困在雪层中。
3. 3.The snowpack was so deep that it made it difficult to see the bottom.
   雪层太厚了，以至于很难看到底部。