snow goose

例句：

1. 1.The snow goose is a symbol of winter.
   雪鹅是冬天的象征。
2. 2. The snow goose is a popular bird in many parts of the world.
   雪鹅是世界上许多地方的热门鸟类。
3. 3. The snow goose is often seen flying over the frozen lake during winter.
   在冬天，雪鹅经常看到它们飞过冰冻的湖面。