This time of year, they should be foraging from the sea ice floating over the productive waters of the continental shelf.

往年这个时候，它们应该在漂浮在这片大陆架地区食物丰富的海域上的冰面上捕食。

youdao

Although technology will be available to track what you're working on and when, you'll need to be productive without the boss looking over your shoulder.

虽然科技手段可以跟踪你的工作内容和具体时间，但你应该具备在没有老板监督的情况下高效完成任务的能力。

youdao

It is interesting, then, that the review is also instructed to determine the appropriate amount of robotic activities needed to make human spaceflight productive and affordable over the long term.

十分有趣的是，复审还被委托确定需要机器人的适当数量，从而使人类航空事业在长期内更加多产值和低成本。

youdao

"And,what you see is a new economy breaking through what's breaking down: that heavy,industrialized, over-ambitious,over-productive, over-consumptive model, which is actually going to completely destroy our chancesof survival in the future.

VOA: standard.2010.02.24

The vast tax subsidies for housing encourage over-investment in property rather than other, more productive, assets.

ECONOMIST: Tax reform

Overall, U.S. industry has become among the most productive in the world--output has doubled over the past 25 years, and productivity has grown at a rate twice that of the rest of the economy.

FORBES: Magazine Article

The ban is over-inclusive because many people recover from mental illness and lead healthy and productive lives.

FORBES: Move up http://i.forbesimg.com t Move down