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1·These natural salt marshes are among the most productive habitats in the marine environment.

这些天然盐沼是海洋环境中最有生产力的栖息地之一。

2·Pakistan derives about a fifth of its output from agriculture, and much of its most productive cropland is submerged or turned to the bog.

巴基斯坦五分之一的产出来自于农业，但其高产量农田中已有许多被淹没或变成了沼泽。

3·These dams blocked access to upstream spawning beds for six species of salmon on what once was one of the most productive salmon rivers in the world.

这些水坝阻断了6种鲑鱼的上游产卵地，而这条河曾是世界上鲑鱼产量最高的河流之一。

4·I wish you a most productive meeting.

我预祝本次会议取得圆满成功。

5·I wish you a most productive and fruitful meeting.

我希望这次会议富有成效和成果。

6·Even the most productive of people can't beat that.

即使最有效率的人也承认这一点。

7·Mornings, for me at least, are the most productive time of day.

早上是一天当中效率最高的一段时间，至少对我来说是这样。

8·That may have been the most productive half-hour of Weinberg's life.

那也许是Weinberg一生中最有价值的半个小时。

9·Make the two weeks off the most productive period you've ever had at work.

让你离开的这两个星期成为最高产的时期。

10·Productivity. Mornings, for me at least, are the most productive time of day.

高效至少对于我来说，上午是一天中效率最高的时候。