鳟鱼

例句：

1. 1.The fisherman caught a large trout from the river.
   渔夫从河里钓到了一条大鳟鱼。
2. 2. Trout are an excellent source of protein and omega-3 fatty acids.
   鳟鱼是优质蛋白质和欧米茄-3脂肪酸的极佳来源。
3. 3. In some regions, trout is considered a delicacy and is often served as a main course.
   在一些地区，鳟鱼被视为美食，通常作为主菜。