How much fish a year from just here? 这里一年能捕到多少鱼
From a million tons a year more or less. 每年一百万吨上下
the divers get a close-up view of the sheer scale of the operation. 潜水员仔细观察了这次行动的规模
It's just a case of trying to keep an eye on the divers, 这项工作需要时刻关注潜水员
As a rule, wildlife film-makers observe natural behaviour 通常来说 野生纪录片团队只应观察生命的自然习性
Over a million tons is left adrift in the ocean each year. 每年有超过一百万吨渔具被丢弃到海洋中