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。
Removing the mud, uncovering gravel beds where fish spawn, and finding suitable salmon types to rebuild the population is a daunting task.
有些鱼类，如鳕鱼、石斑鱼、鲑鱼、金枪鱼等，是每个人都喜欢吃的。
These are the ones, cod, groupers, salmon, tuna and so on, that everyone likes to eat.
非常多的鱼类已被养殖，包括鳕鱼、鲤科鱼、贻贝、鲑鱼和鲟鱼，为世界各地的人们提供了食物。
A huge variety of fish, including cod, bream, mussels, salmon and sturgeon, is being farmed, providing food for people all over the world.
应用推荐