A huge variety of fish, including cod, bream, mussels, salmon and sturgeon, is being farmed, providing food for people all over the world.
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。
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。
Salmon also carry dangerous chemicals as the fish migrate between rivers and the sea.
鲑鱼在河流和海洋之间迁徙时也会携带危险的化学物质。
The Food and Drug Administration says there would be no need for special labeling if the salmon is found to have the same basic contents as other fish.
VOA: special.2010.10.05
Right at the entry to the market, dozens of tourists crowd around its most famous attraction: a fish stand where the workers throw a salmon back and forth several meters over shoppers' heads.
VOA: standard.2010.07.14
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