By the end of the century, if not sooner, the world's oceans will be bluer and greener thanks to a warming climate, according to a new study.

据一项新的研究显示，最晚到本世纪末，全球的海洋会因气候变暖而变得更蓝、更绿。

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By the end of last year, the young teacher who was thirsty for knowledge had been abroad for further study for two years.

到去年年底，那位求知若渴的年轻教师已经出国深造两年了。

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By the end of the study, each participant had played over 300 3-minute games of Space Fortress.

研究结束时，每个参与者玩了300多次3分钟的“太空堡垒”游戏。

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That's--if this were a scientific study, I would be instructing you to do that so you wouldn't forget anything by the end of the day.

如果进行科学研究,我就会指导你们去做这个,最后你们就不会忘记任何东西

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Officials said that Kinross expects to finish a feasibility study by the end of the year.

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On average 45% of their hearing range was restored by the end of the study.

BBC: Deaf gerbils 'hear again' after stem cell cure

Perhaps most impressive, more than half (53 percent) had moved out of poverty by the end of the study.

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