梅勒迪斯·格里菲斯：海洋覆盖超过70%的地球表面，一项新的研究表明海洋正在发生急剧变化。
MEREDITH GRIFFITHS: Oceans cover more than 70 per cent of the Earth's surface and a new study says they are changing dramatically.
谈话集中在俄国正在发生的急剧变化上。
The conversation centred on the radical changes taking place in Russia.
谈话集中在俄国正在发生的急剧变化上。
The conversation centred on the radical changes taking place in Russia.
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