Removing the mud, uncovering gravel beds where fish spawn, and finding suitable salmon types to rebuild the population is a daunting task.
清除淤泥，发现鱼类产卵的砾石层，找到合适的鲑鱼种类来重建种群是一项艰巨的任务。
2
Please bring me a cute fish too, like the ones in “Finding Nemo.
还请给我一条可爱的鱼，像《海底总动员》里的那种。
3
The intelligent fisherman, upon finding among them a fine large fish, threw all the little fish back into the sea, choosing without any effort the big fish.