snow flea

例句：

1. 1. The snow flea is a small insect that feeds on the snow.
   雪蚤是一种小昆虫，以雪为食。
2. 2.Snow fleas are a common problem for skiers and snowboarders.
   雪蚤是滑雪者和雪板爱好者常见的问题。
3. 3. The snow flea population has increased due to climate change.
   由于气候变化，雪蚤的种群数量有所增加。