溯河产卵鲑

例句：

1. 1. The salmon runs upstream to spawn in the spring.
   鲑鱼在春天溯流产卵。
2. 2. This region is famous for its wild salmon.
   这个地区以野生鲑鱼而闻名。
3. 3. Salmon are a popular food source for many cultures.
   鲑鱼是许多文化中受欢迎的食物来源。