- They contain thousands of species whose existence remains a mystery to us.
在它之中的上千种生物仍然是个谜 - Since 1950, fishing catches have increased fivefold,
自1950始 海洋捕捞增长了5倍 - From 18 to 100 million metric tons a year.
年捕捞量从1800万吨♥涨到1亿吨♥ - Thousands of factory ships are emptying the oceans.
成千上万的捕捞船正在掏空海洋 - Three-quarters of fishing grounds are exhausted,
四分之三的捕捞海域枯竭 - Depleted or in danger of being so.
已经枯竭或将要枯竭 - Most large fish have been fished out of existence,
大多数大鱼已经被捞光